Home / 31,820.50-47,718.75-25,565.14

Finding the Fourth Proportional to 31,820.50, 47,718.75 and 25,565.14

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Solution

The fourth proportional to 31,820.50, 47,718.75 and 25,565.14 is: 38,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,820.50 : 47,718.75 = 25,565.14 : x
  2. Step 2: Convert to fraction form
    31,820.50/47,718.75 = 25,565.14/x
  3. Step 3: Cross multiply
    31,820.50x = 47,718.75 × 25,565.14
  4. Step 4: Simplify right side
    31,820.50x = 1,219,936,524.38
  5. Step 5: Solve for x
    x = 1,219,936,524.38/31,820.50
  6. Step 6: Final answer
    x = 38,338.07

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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.