Home / 67,237.98-92,784.33-38,938.20

Finding the Fourth Proportional to 67,237.98, 92,784.33 and 38,938.20

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Solution

The fourth proportional to 67,237.98, 92,784.33 and 38,938.20 is: 53,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,237.98 : 92,784.33 = 38,938.20 : x
  2. Step 2: Convert to fraction form
    67,237.98/92,784.33 = 38,938.20/x
  3. Step 3: Cross multiply
    67,237.98x = 92,784.33 × 38,938.20
  4. Step 4: Simplify right side
    67,237.98x = 3,612,854,798.41
  5. Step 5: Solve for x
    x = 3,612,854,798.41/67,237.98
  6. Step 6: Final answer
    x = 53,732.35

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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.