Home / 34,803.81-48,012.35-20,646.63

Finding the Fourth Proportional to 34,803.81, 48,012.35 and 20,646.63

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Solution

The fourth proportional to 34,803.81, 48,012.35 and 20,646.63 is: 28,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,803.81 : 48,012.35 = 20,646.63 : x
  2. Step 2: Convert to fraction form
    34,803.81/48,012.35 = 20,646.63/x
  3. Step 3: Cross multiply
    34,803.81x = 48,012.35 × 20,646.63
  4. Step 4: Simplify right side
    34,803.81x = 991,293,122.65
  5. Step 5: Solve for x
    x = 991,293,122.65/34,803.81
  6. Step 6: Final answer
    x = 28,482.32

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Half scale
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Double scale
Find fourth proportional to 34,804.81, 48,013.72 and 20,647.63
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.