Home / 47,431.29-65,454.42-25,920.57

Finding the Fourth Proportional to 47,431.29, 65,454.42 and 25,920.57

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Solution

The fourth proportional to 47,431.29, 65,454.42 and 25,920.57 is: 35,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,431.29 : 65,454.42 = 25,920.57 : x
  2. Step 2: Convert to fraction form
    47,431.29/65,454.42 = 25,920.57/x
  3. Step 3: Cross multiply
    47,431.29x = 65,454.42 × 25,920.57
  4. Step 4: Simplify right side
    47,431.29x = 1,696,615,875.42
  5. Step 5: Solve for x
    x = 1,696,615,875.42/47,431.29
  6. Step 6: Final answer
    x = 35,769.97

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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.