Home / 34,306.72-47,332.56-20,160.16

Finding the Fourth Proportional to 34,306.72, 47,332.56 and 20,160.16

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Solution

The fourth proportional to 34,306.72, 47,332.56 and 20,160.16 is: 27,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,306.72 : 47,332.56 = 20,160.16 : x
  2. Step 2: Convert to fraction form
    34,306.72/47,332.56 = 20,160.16/x
  3. Step 3: Cross multiply
    34,306.72x = 47,332.56 × 20,160.16
  4. Step 4: Simplify right side
    34,306.72x = 954,231,982.81
  5. Step 5: Solve for x
    x = 954,231,982.81/34,306.72
  6. Step 6: Final answer
    x = 27,814.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.