Home / 31,812.60-47,718.90-26,272.20

Finding the Fourth Proportional to 31,812.60, 47,718.90 and 26,272.20

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Solution

The fourth proportional to 31,812.60, 47,718.90 and 26,272.20 is: 39,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,812.60 : 47,718.90 = 26,272.20 : x
  2. Step 2: Convert to fraction form
    31,812.60/47,718.90 = 26,272.20/x
  3. Step 3: Cross multiply
    31,812.60x = 47,718.90 × 26,272.20
  4. Step 4: Simplify right side
    31,812.60x = 1,253,680,484.58
  5. Step 5: Solve for x
    x = 1,253,680,484.58/31,812.60
  6. Step 6: Final answer
    x = 39,408.30

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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.