Home / 31,044.93-42,840.68-16,897.74

Finding the Fourth Proportional to 31,044.93, 42,840.68 and 16,897.74

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Solution

The fourth proportional to 31,044.93, 42,840.68 and 16,897.74 is: 23,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,044.93 : 42,840.68 = 16,897.74 : x
  2. Step 2: Convert to fraction form
    31,044.93/42,840.68 = 16,897.74/x
  3. Step 3: Cross multiply
    31,044.93x = 42,840.68 × 16,897.74
  4. Step 4: Simplify right side
    31,044.93x = 723,910,587.57
  5. Step 5: Solve for x
    x = 723,910,587.57/31,044.93
  6. Step 6: Final answer
    x = 23,318.16

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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.