Home / 60,815.81-91,186.46-21,377.45

Finding the Fourth Proportional to 60,815.81, 91,186.46 and 21,377.45

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Solution

The fourth proportional to 60,815.81, 91,186.46 and 21,377.45 is: 32,053.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,815.81 : 91,186.46 = 21,377.45 : x
  2. Step 2: Convert to fraction form
    60,815.81/91,186.46 = 21,377.45/x
  3. Step 3: Cross multiply
    60,815.81x = 91,186.46 × 21,377.45
  4. Step 4: Simplify right side
    60,815.81x = 1,949,333,882.44
  5. Step 5: Solve for x
    x = 1,949,333,882.44/60,815.81
  6. Step 6: Final answer
    x = 32,053.08

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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.