Home / 36,585.60-54,875.52-10,291.20

Finding the Fourth Proportional to 36,585.60, 54,875.52 and 10,291.20

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Solution

The fourth proportional to 36,585.60, 54,875.52 and 10,291.20 is: 15,435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,585.60 : 54,875.52 = 10,291.20 : x
  2. Step 2: Convert to fraction form
    36,585.60/54,875.52 = 10,291.20/x
  3. Step 3: Cross multiply
    36,585.60x = 54,875.52 × 10,291.20
  4. Step 4: Simplify right side
    36,585.60x = 564,734,951.42
  5. Step 5: Solve for x
    x = 564,734,951.42/36,585.60
  6. Step 6: Final answer
    x = 15,435.99

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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.