Home / 42,339.02-63,512.78-11,174.27

Finding the Fourth Proportional to 42,339.02, 63,512.78 and 11,174.27

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Solution

The fourth proportional to 42,339.02, 63,512.78 and 11,174.27 is: 16,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,339.02 : 63,512.78 = 11,174.27 : x
  2. Step 2: Convert to fraction form
    42,339.02/63,512.78 = 11,174.27/x
  3. Step 3: Cross multiply
    42,339.02x = 63,512.78 × 11,174.27
  4. Step 4: Simplify right side
    42,339.02x = 709,708,578.74
  5. Step 5: Solve for x
    x = 709,708,578.74/42,339.02
  6. Step 6: Final answer
    x = 16,762.52

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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.