Home / 52,432.08-78,668.90-19,154.30

Finding the Fourth Proportional to 52,432.08, 78,668.90 and 19,154.30

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Solution

The fourth proportional to 52,432.08, 78,668.90 and 19,154.30 is: 28,739.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,432.08 : 78,668.90 = 19,154.30 : x
  2. Step 2: Convert to fraction form
    52,432.08/78,668.90 = 19,154.30/x
  3. Step 3: Cross multiply
    52,432.08x = 78,668.90 × 19,154.30
  4. Step 4: Simplify right side
    52,432.08x = 1,506,847,711.27
  5. Step 5: Solve for x
    x = 1,506,847,711.27/52,432.08
  6. Step 6: Final answer
    x = 28,739.04

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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.