Home / 38,991.13-58,490.27-10,911.11

Finding the Fourth Proportional to 38,991.13, 58,490.27 and 10,911.11

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Solution

The fourth proportional to 38,991.13, 58,490.27 and 10,911.11 is: 16,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991.13 : 58,490.27 = 10,911.11 : x
  2. Step 2: Convert to fraction form
    38,991.13/58,490.27 = 10,911.11/x
  3. Step 3: Cross multiply
    38,991.13x = 58,490.27 × 10,911.11
  4. Step 4: Simplify right side
    38,991.13x = 638,193,463.81
  5. Step 5: Solve for x
    x = 638,193,463.81/38,991.13
  6. Step 6: Final answer
    x = 16,367.66

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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.