Home / 46,485.12-69,733.44-15,340.80

Finding the Fourth Proportional to 46,485.12, 69,733.44 and 15,340.80

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Solution

The fourth proportional to 46,485.12, 69,733.44 and 15,340.80 is: 23,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,485.12 : 69,733.44 = 15,340.80 : x
  2. Step 2: Convert to fraction form
    46,485.12/69,733.44 = 15,340.80/x
  3. Step 3: Cross multiply
    46,485.12x = 69,733.44 × 15,340.80
  4. Step 4: Simplify right side
    46,485.12x = 1,069,766,756.35
  5. Step 5: Solve for x
    x = 1,069,766,756.35/46,485.12
  6. Step 6: Final answer
    x = 23,013.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.