Home / 31,718.28-47,576.88-9,531.84

Finding the Fourth Proportional to 31,718.28, 47,576.88 and 9,531.84

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Solution

The fourth proportional to 31,718.28, 47,576.88 and 9,531.84 is: 14,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.28 : 47,576.88 = 9,531.84 : x
  2. Step 2: Convert to fraction form
    31,718.28/47,576.88 = 9,531.84/x
  3. Step 3: Cross multiply
    31,718.28x = 47,576.88 × 9,531.84
  4. Step 4: Simplify right side
    31,718.28x = 453,495,207.86
  5. Step 5: Solve for x
    x = 453,495,207.86/31,718.28
  6. Step 6: Final answer
    x = 14,297.60

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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.