Home / 63,420.61-87,521.09-38,265.25

Finding the Fourth Proportional to 63,420.61, 87,521.09 and 38,265.25

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Solution

The fourth proportional to 63,420.61, 87,521.09 and 38,265.25 is: 52,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.61 : 87,521.09 = 38,265.25 : x
  2. Step 2: Convert to fraction form
    63,420.61/87,521.09 = 38,265.25/x
  3. Step 3: Cross multiply
    63,420.61x = 87,521.09 × 38,265.25
  4. Step 4: Simplify right side
    63,420.61x = 3,349,016,197.80
  5. Step 5: Solve for x
    x = 3,349,016,197.80/63,420.61
  6. Step 6: Final answer
    x = 52,806.43

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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.