Home / 42,128.60-63,192.89-10,963.85

Finding the Fourth Proportional to 42,128.60, 63,192.89 and 10,963.85

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Solution

The fourth proportional to 42,128.60, 63,192.89 and 10,963.85 is: 16,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,128.60 : 63,192.89 = 10,963.85 : x
  2. Step 2: Convert to fraction form
    42,128.60/63,192.89 = 10,963.85/x
  3. Step 3: Cross multiply
    42,128.60x = 63,192.89 × 10,963.85
  4. Step 4: Simplify right side
    42,128.60x = 692,836,996.24
  5. Step 5: Solve for x
    x = 692,836,996.24/42,128.60
  6. Step 6: Final answer
    x = 16,445.77

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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.