Home / 39,126.08-58,654.40-20,366.72

Finding the Fourth Proportional to 39,126.08, 58,654.40 and 20,366.72

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Solution

The fourth proportional to 39,126.08, 58,654.40 and 20,366.72 is: 30,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126.08 : 58,654.40 = 20,366.72 : x
  2. Step 2: Convert to fraction form
    39,126.08/58,654.40 = 20,366.72/x
  3. Step 3: Cross multiply
    39,126.08x = 58,654.40 × 20,366.72
  4. Step 4: Simplify right side
    39,126.08x = 1,194,597,741.57
  5. Step 5: Solve for x
    x = 1,194,597,741.57/39,126.08
  6. Step 6: Final answer
    x = 30,532.01

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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.