Home / 40,191.59-60,290.12-13,898.39

Finding the Fourth Proportional to 40,191.59, 60,290.12 and 13,898.39

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Solution

The fourth proportional to 40,191.59, 60,290.12 and 13,898.39 is: 20,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,191.59 : 60,290.12 = 13,898.39 : x
  2. Step 2: Convert to fraction form
    40,191.59/60,290.12 = 13,898.39/x
  3. Step 3: Cross multiply
    40,191.59x = 60,290.12 × 13,898.39
  4. Step 4: Simplify right side
    40,191.59x = 837,935,334.20
  5. Step 5: Solve for x
    x = 837,935,334.20/40,191.59
  6. Step 6: Final answer
    x = 20,848.52

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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.