Home / 31,108.08-42,927.60-17,677.56

Finding the Fourth Proportional to 31,108.08, 42,927.60 and 17,677.56

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Solution

The fourth proportional to 31,108.08, 42,927.60 and 17,677.56 is: 24,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.08 : 42,927.60 = 17,677.56 : x
  2. Step 2: Convert to fraction form
    31,108.08/42,927.60 = 17,677.56/x
  3. Step 3: Cross multiply
    31,108.08x = 42,927.60 × 17,677.56
  4. Step 4: Simplify right side
    31,108.08x = 758,855,224.66
  5. Step 5: Solve for x
    x = 758,855,224.66/31,108.08
  6. Step 6: Final answer
    x = 24,394.15

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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.