Home / 31,084.61-42,897.08-16,937.69

Finding the Fourth Proportional to 31,084.61, 42,897.08 and 16,937.69

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Solution

The fourth proportional to 31,084.61, 42,897.08 and 16,937.69 is: 23,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084.61 : 42,897.08 = 16,937.69 : x
  2. Step 2: Convert to fraction form
    31,084.61/42,897.08 = 16,937.69/x
  3. Step 3: Cross multiply
    31,084.61x = 42,897.08 × 16,937.69
  4. Step 4: Simplify right side
    31,084.61x = 726,577,442.95
  5. Step 5: Solve for x
    x = 726,577,442.95/31,084.61
  6. Step 6: Final answer
    x = 23,374.19

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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.