Home / 38,319.70-57,476.13-13,355.50

Finding the Fourth Proportional to 38,319.70, 57,476.13 and 13,355.50

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Solution

The fourth proportional to 38,319.70, 57,476.13 and 13,355.50 is: 20,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319.70 : 57,476.13 = 13,355.50 : x
  2. Step 2: Convert to fraction form
    38,319.70/57,476.13 = 13,355.50/x
  3. Step 3: Cross multiply
    38,319.70x = 57,476.13 × 13,355.50
  4. Step 4: Simplify right side
    38,319.70x = 767,622,454.22
  5. Step 5: Solve for x
    x = 767,622,454.22/38,319.70
  6. Step 6: Final answer
    x = 20,032.06

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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.