Home / 86,540.38-129,810.50-24,210.88

Finding the Fourth Proportional to 86,540.38, 129,810.50 and 24,210.88

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Solution

The fourth proportional to 86,540.38, 129,810.50 and 24,210.88 is: 36,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,540.38 : 129,810.50 = 24,210.88 : x
  2. Step 2: Convert to fraction form
    86,540.38/129,810.50 = 24,210.88/x
  3. Step 3: Cross multiply
    86,540.38x = 129,810.50 × 24,210.88
  4. Step 4: Simplify right side
    86,540.38x = 3,142,826,498.77
  5. Step 5: Solve for x
    x = 3,142,826,498.77/86,540.38
  6. Step 6: Final answer
    x = 36,316.30

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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.