Home / 74,150.42-111,248.31-21,560.36

Finding the Fourth Proportional to 74,150.42, 111,248.31 and 21,560.36

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Solution

The fourth proportional to 74,150.42, 111,248.31 and 21,560.36 is: 32,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,150.42 : 111,248.31 = 21,560.36 : x
  2. Step 2: Convert to fraction form
    74,150.42/111,248.31 = 21,560.36/x
  3. Step 3: Cross multiply
    74,150.42x = 111,248.31 × 21,560.36
  4. Step 4: Simplify right side
    74,150.42x = 2,398,553,612.99
  5. Step 5: Solve for x
    x = 2,398,553,612.99/74,150.42
  6. Step 6: Final answer
    x = 32,347.13

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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.