Home / 31,897.08-44,017.29-18,468.90

Finding the Fourth Proportional to 31,897.08, 44,017.29 and 18,468.90

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Solution

The fourth proportional to 31,897.08, 44,017.29 and 18,468.90 is: 25,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.08 : 44,017.29 = 18,468.90 : x
  2. Step 2: Convert to fraction form
    31,897.08/44,017.29 = 18,468.90/x
  3. Step 3: Cross multiply
    31,897.08x = 44,017.29 × 18,468.90
  4. Step 4: Simplify right side
    31,897.08x = 812,950,927.28
  5. Step 5: Solve for x
    x = 812,950,927.28/31,897.08
  6. Step 6: Final answer
    x = 25,486.69

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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.