Home / 38,959.22-58,439.64-12,663.92

Finding the Fourth Proportional to 38,959.22, 58,439.64 and 12,663.92

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Solution

The fourth proportional to 38,959.22, 58,439.64 and 12,663.92 is: 18,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,959.22 : 58,439.64 = 12,663.92 : x
  2. Step 2: Convert to fraction form
    38,959.22/58,439.64 = 12,663.92/x
  3. Step 3: Cross multiply
    38,959.22x = 58,439.64 × 12,663.92
  4. Step 4: Simplify right side
    38,959.22x = 740,074,925.79
  5. Step 5: Solve for x
    x = 740,074,925.79/38,959.22
  6. Step 6: Final answer
    x = 18,996.14

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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.