Home / 38,313.99-57,470.94-12,020.76

Finding the Fourth Proportional to 38,313.99, 57,470.94 and 12,020.76

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Solution

The fourth proportional to 38,313.99, 57,470.94 and 12,020.76 is: 18,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313.99 : 57,470.94 = 12,020.76 : x
  2. Step 2: Convert to fraction form
    38,313.99/57,470.94 = 12,020.76/x
  3. Step 3: Cross multiply
    38,313.99x = 57,470.94 × 12,020.76
  4. Step 4: Simplify right side
    38,313.99x = 690,844,376.71
  5. Step 5: Solve for x
    x = 690,844,376.71/38,313.99
  6. Step 6: Final answer
    x = 18,031.13

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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.