Home / 40,233.72-60,330.33-13,931.40

Finding the Fourth Proportional to 40,233.72, 60,330.33 and 13,931.40

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Solution

The fourth proportional to 40,233.72, 60,330.33 and 13,931.40 is: 20,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,233.72 : 60,330.33 = 13,931.40 : x
  2. Step 2: Convert to fraction form
    40,233.72/60,330.33 = 13,931.40/x
  3. Step 3: Cross multiply
    40,233.72x = 60,330.33 × 13,931.40
  4. Step 4: Simplify right side
    40,233.72x = 840,485,959.36
  5. Step 5: Solve for x
    x = 840,485,959.36/40,233.72
  6. Step 6: Final answer
    x = 20,890.09

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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.