Home / 42,222.96-63,343.47-15,569.02

Finding the Fourth Proportional to 42,222.96, 63,343.47 and 15,569.02

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Solution

The fourth proportional to 42,222.96, 63,343.47 and 15,569.02 is: 23,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,222.96 : 63,343.47 = 15,569.02 : x
  2. Step 2: Convert to fraction form
    42,222.96/63,343.47 = 15,569.02/x
  3. Step 3: Cross multiply
    42,222.96x = 63,343.47 × 15,569.02
  4. Step 4: Simplify right side
    42,222.96x = 986,195,751.30
  5. Step 5: Solve for x
    x = 986,195,751.30/42,222.96
  6. Step 6: Final answer
    x = 23,356.86

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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.