Home / 42,400.20-63,600.30-29,893.80

Finding the Fourth Proportional to 42,400.20, 63,600.30 and 29,893.80

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Solution

The fourth proportional to 42,400.20, 63,600.30 and 29,893.80 is: 44,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,400.20 : 63,600.30 = 29,893.80 : x
  2. Step 2: Convert to fraction form
    42,400.20/63,600.30 = 29,893.80/x
  3. Step 3: Cross multiply
    42,400.20x = 63,600.30 × 29,893.80
  4. Step 4: Simplify right side
    42,400.20x = 1,901,254,648.14
  5. Step 5: Solve for x
    x = 1,901,254,648.14/42,400.20
  6. Step 6: Final answer
    x = 44,840.70

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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.