Home / 31,531.61-47,302.28-10,750.25

Finding the Fourth Proportional to 31,531.61, 47,302.28 and 10,750.25

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Solution

The fourth proportional to 31,531.61, 47,302.28 and 10,750.25 is: 16,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,531.61 : 47,302.28 = 10,750.25 : x
  2. Step 2: Convert to fraction form
    31,531.61/47,302.28 = 10,750.25/x
  3. Step 3: Cross multiply
    31,531.61x = 47,302.28 × 10,750.25
  4. Step 4: Simplify right side
    31,531.61x = 508,511,281.82
  5. Step 5: Solve for x
    x = 508,511,281.82/31,531.61
  6. Step 6: Final answer
    x = 16,127.03

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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.