Home / 63,420.86-87,521.43-38,265.50

Finding the Fourth Proportional to 63,420.86, 87,521.43 and 38,265.50

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Solution

The fourth proportional to 63,420.86, 87,521.43 and 38,265.50 is: 52,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.86 : 87,521.43 = 38,265.50 : x
  2. Step 2: Convert to fraction form
    63,420.86/87,521.43 = 38,265.50/x
  3. Step 3: Cross multiply
    63,420.86x = 87,521.43 × 38,265.50
  4. Step 4: Simplify right side
    63,420.86x = 3,349,051,279.67
  5. Step 5: Solve for x
    x = 3,349,051,279.67/63,420.86
  6. Step 6: Final answer
    x = 52,806.78

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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.