Home / 48,370.08-66,750.88-28,240.80

Finding the Fourth Proportional to 48,370.08, 66,750.88 and 28,240.80

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Solution

The fourth proportional to 48,370.08, 66,750.88 and 28,240.80 is: 38,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,370.08 : 66,750.88 = 28,240.80 : x
  2. Step 2: Convert to fraction form
    48,370.08/66,750.88 = 28,240.80/x
  3. Step 3: Cross multiply
    48,370.08x = 66,750.88 × 28,240.80
  4. Step 4: Simplify right side
    48,370.08x = 1,885,098,251.90
  5. Step 5: Solve for x
    x = 1,885,098,251.90/48,370.08
  6. Step 6: Final answer
    x = 38,972.40

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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.