Home / 52,431.35-72,358.67-31,207.73

Finding the Fourth Proportional to 52,431.35, 72,358.67 and 31,207.73

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Solution

The fourth proportional to 52,431.35, 72,358.67 and 31,207.73 is: 43,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.35 : 72,358.67 = 31,207.73 : x
  2. Step 2: Convert to fraction form
    52,431.35/72,358.67 = 31,207.73/x
  3. Step 3: Cross multiply
    52,431.35x = 72,358.67 × 31,207.73
  4. Step 4: Simplify right side
    52,431.35x = 2,258,149,680.48
  5. Step 5: Solve for x
    x = 2,258,149,680.48/52,431.35
  6. Step 6: Final answer
    x = 43,068.69

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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.