Home / 60,421.30-90,631.95-25,386.10

Finding the Fourth Proportional to 60,421.30, 90,631.95 and 25,386.10

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Solution

The fourth proportional to 60,421.30, 90,631.95 and 25,386.10 is: 38,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,421.30 : 90,631.95 = 25,386.10 : x
  2. Step 2: Convert to fraction form
    60,421.30/90,631.95 = 25,386.10/x
  3. Step 3: Cross multiply
    60,421.30x = 90,631.95 × 25,386.10
  4. Step 4: Simplify right side
    60,421.30x = 2,300,791,745.90
  5. Step 5: Solve for x
    x = 2,300,791,745.90/60,421.30
  6. Step 6: Final answer
    x = 38,079.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.