Home / 49,565.70-74,278.62-38,420.19

Finding the Fourth Proportional to 49,565.70, 74,278.62 and 38,420.19

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Solution

The fourth proportional to 49,565.70, 74,278.62 and 38,420.19 is: 57,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,565.70 : 74,278.62 = 38,420.19 : x
  2. Step 2: Convert to fraction form
    49,565.70/74,278.62 = 38,420.19/x
  3. Step 3: Cross multiply
    49,565.70x = 74,278.62 × 38,420.19
  4. Step 4: Simplify right side
    49,565.70x = 2,853,798,693.34
  5. Step 5: Solve for x
    x = 2,853,798,693.34/49,565.70
  6. Step 6: Final answer
    x = 57,576.08

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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.