Home / 38,898.18-58,347.27-13,939.77

Finding the Fourth Proportional to 38,898.18, 58,347.27 and 13,939.77

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Solution

The fourth proportional to 38,898.18, 58,347.27 and 13,939.77 is: 20,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,898.18 : 58,347.27 = 13,939.77 : x
  2. Step 2: Convert to fraction form
    38,898.18/58,347.27 = 13,939.77/x
  3. Step 3: Cross multiply
    38,898.18x = 58,347.27 × 13,939.77
  4. Step 4: Simplify right side
    38,898.18x = 813,347,523.93
  5. Step 5: Solve for x
    x = 813,347,523.93/38,898.18
  6. Step 6: Final answer
    x = 20,909.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.