Home / 42,012.80-63,014.08-10,845.44

Finding the Fourth Proportional to 42,012.80, 63,014.08 and 10,845.44

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Solution

The fourth proportional to 42,012.80, 63,014.08 and 10,845.44 is: 16,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.80 : 63,014.08 = 10,845.44 : x
  2. Step 2: Convert to fraction form
    42,012.80/63,014.08 = 10,845.44/x
  3. Step 3: Cross multiply
    42,012.80x = 63,014.08 × 10,845.44
  4. Step 4: Simplify right side
    42,012.80x = 683,415,423.80
  5. Step 5: Solve for x
    x = 683,415,423.80/42,012.80
  6. Step 6: Final answer
    x = 16,266.84

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1.5x scale

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.