Home / 52,885.40-79,331.70-15,445.40

Finding the Fourth Proportional to 52,885.40, 79,331.70 and 15,445.40

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Solution

The fourth proportional to 52,885.40, 79,331.70 and 15,445.40 is: 23,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,885.40 : 79,331.70 = 15,445.40 : x
  2. Step 2: Convert to fraction form
    52,885.40/79,331.70 = 15,445.40/x
  3. Step 3: Cross multiply
    52,885.40x = 79,331.70 × 15,445.40
  4. Step 4: Simplify right side
    52,885.40x = 1,225,309,839.18
  5. Step 5: Solve for x
    x = 1,225,309,839.18/52,885.40
  6. Step 6: Final answer
    x = 23,169.15

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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.