Home / 38,368.71-57,553.20-13,408.65

Finding the Fourth Proportional to 38,368.71, 57,553.20 and 13,408.65

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Solution

The fourth proportional to 38,368.71, 57,553.20 and 13,408.65 is: 20,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,368.71 : 57,553.20 = 13,408.65 : x
  2. Step 2: Convert to fraction form
    38,368.71/57,553.20 = 13,408.65/x
  3. Step 3: Cross multiply
    38,368.71x = 57,553.20 × 13,408.65
  4. Step 4: Simplify right side
    38,368.71x = 771,710,715.18
  5. Step 5: Solve for x
    x = 771,710,715.18/38,368.71
  6. Step 6: Final answer
    x = 20,113.02

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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.