Home / 64,390.54-88,877.45-38,892.85

Finding the Fourth Proportional to 64,390.54, 88,877.45 and 38,892.85

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Solution

The fourth proportional to 64,390.54, 88,877.45 and 38,892.85 is: 53,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,390.54 : 88,877.45 = 38,892.85 : x
  2. Step 2: Convert to fraction form
    64,390.54/88,877.45 = 38,892.85/x
  3. Step 3: Cross multiply
    64,390.54x = 88,877.45 × 38,892.85
  4. Step 4: Simplify right side
    64,390.54x = 3,456,697,331.23
  5. Step 5: Solve for x
    x = 3,456,697,331.23/64,390.54
  6. Step 6: Final answer
    x = 53,683.31

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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.