Home / 38,158.62-57,240.48-13,201.08

Finding the Fourth Proportional to 38,158.62, 57,240.48 and 13,201.08

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Solution

The fourth proportional to 38,158.62, 57,240.48 and 13,201.08 is: 19,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,158.62 : 57,240.48 = 13,201.08 : x
  2. Step 2: Convert to fraction form
    38,158.62/57,240.48 = 13,201.08/x
  3. Step 3: Cross multiply
    38,158.62x = 57,240.48 × 13,201.08
  4. Step 4: Simplify right side
    38,158.62x = 755,636,155.72
  5. Step 5: Solve for x
    x = 755,636,155.72/38,158.62
  6. Step 6: Final answer
    x = 19,802.50

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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.