Home / 63,419.86-87,520.05-38,264.50

Finding the Fourth Proportional to 63,419.86, 87,520.05 and 38,264.50

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Solution

The fourth proportional to 63,419.86, 87,520.05 and 38,264.50 is: 52,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,419.86 : 87,520.05 = 38,264.50 : x
  2. Step 2: Convert to fraction form
    63,419.86/87,520.05 = 38,264.50/x
  3. Step 3: Cross multiply
    63,419.86x = 87,520.05 × 38,264.50
  4. Step 4: Simplify right side
    63,419.86x = 3,348,910,953.23
  5. Step 5: Solve for x
    x = 3,348,910,953.23/63,419.86
  6. Step 6: Final answer
    x = 52,805.40

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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.