Home / 34,781.34-47,998.20-18,865.77

Finding the Fourth Proportional to 34,781.34, 47,998.20 and 18,865.77

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Solution

The fourth proportional to 34,781.34, 47,998.20 and 18,865.77 is: 26,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,781.34 : 47,998.20 = 18,865.77 : x
  2. Step 2: Convert to fraction form
    34,781.34/47,998.20 = 18,865.77/x
  3. Step 3: Cross multiply
    34,781.34x = 47,998.20 × 18,865.77
  4. Step 4: Simplify right side
    34,781.34x = 905,523,001.61
  5. Step 5: Solve for x
    x = 905,523,001.61/34,781.34
  6. Step 6: Final answer
    x = 26,034.74

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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.