Home / 63,877.97-88,057.09-40,905.36

Finding the Fourth Proportional to 63,877.97, 88,057.09 and 40,905.36

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Solution

The fourth proportional to 63,877.97, 88,057.09 and 40,905.36 is: 56,388.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,877.97 : 88,057.09 = 40,905.36 : x
  2. Step 2: Convert to fraction form
    63,877.97/88,057.09 = 40,905.36/x
  3. Step 3: Cross multiply
    63,877.97x = 88,057.09 × 40,905.36
  4. Step 4: Simplify right side
    63,877.97x = 3,602,006,762.48
  5. Step 5: Solve for x
    x = 3,602,006,762.48/63,877.97
  6. Step 6: Final answer
    x = 56,388.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.