Home / 38,449.19-57,638.55-13,475.63

Finding the Fourth Proportional to 38,449.19, 57,638.55 and 13,475.63

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Solution

The fourth proportional to 38,449.19, 57,638.55 and 13,475.63 is: 20,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,449.19 : 57,638.55 = 13,475.63 : x
  2. Step 2: Convert to fraction form
    38,449.19/57,638.55 = 13,475.63/x
  3. Step 3: Cross multiply
    38,449.19x = 57,638.55 × 13,475.63
  4. Step 4: Simplify right side
    38,449.19x = 776,715,663.13
  5. Step 5: Solve for x
    x = 776,715,663.13/38,449.19
  6. Step 6: Final answer
    x = 20,201.09

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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.