Home / 40,513.20-60,769.80-38,326.20

Finding the Fourth Proportional to 40,513.20, 60,769.80 and 38,326.20

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Solution

The fourth proportional to 40,513.20, 60,769.80 and 38,326.20 is: 57,489.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,513.20 : 60,769.80 = 38,326.20 : x
  2. Step 2: Convert to fraction form
    40,513.20/60,769.80 = 38,326.20/x
  3. Step 3: Cross multiply
    40,513.20x = 60,769.80 × 38,326.20
  4. Step 4: Simplify right side
    40,513.20x = 2,329,075,508.76
  5. Step 5: Solve for x
    x = 2,329,075,508.76/40,513.20
  6. Step 6: Final answer
    x = 57,489.30

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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.