Home / 42,395.53-63,594.66-21,324.07

Finding the Fourth Proportional to 42,395.53, 63,594.66 and 21,324.07

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Solution

The fourth proportional to 42,395.53, 63,594.66 and 21,324.07 is: 31,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,395.53 : 63,594.66 = 21,324.07 : x
  2. Step 2: Convert to fraction form
    42,395.53/63,594.66 = 21,324.07/x
  3. Step 3: Cross multiply
    42,395.53x = 63,594.66 × 21,324.07
  4. Step 4: Simplify right side
    42,395.53x = 1,356,096,981.47
  5. Step 5: Solve for x
    x = 1,356,096,981.47/42,395.53
  6. Step 6: Final answer
    x = 31,986.79

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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.