Home / 38,446.19-57,683.13-13,490.13

Finding the Fourth Proportional to 38,446.19, 57,683.13 and 13,490.13

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Solution

The fourth proportional to 38,446.19, 57,683.13 and 13,490.13 is: 20,240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,446.19 : 57,683.13 = 13,490.13 : x
  2. Step 2: Convert to fraction form
    38,446.19/57,683.13 = 13,490.13/x
  3. Step 3: Cross multiply
    38,446.19x = 57,683.13 × 13,490.13
  4. Step 4: Simplify right side
    38,446.19x = 778,152,839.65
  5. Step 5: Solve for x
    x = 778,152,839.65/38,446.19
  6. Step 6: Final answer
    x = 20,240.05

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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.