Home / 42,322.20-63,484.22-15,669.51

Finding the Fourth Proportional to 42,322.20, 63,484.22 and 15,669.51

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Solution

The fourth proportional to 42,322.20, 63,484.22 and 15,669.51 is: 23,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,322.20 : 63,484.22 = 15,669.51 : x
  2. Step 2: Convert to fraction form
    42,322.20/63,484.22 = 15,669.51/x
  3. Step 3: Cross multiply
    42,322.20x = 63,484.22 × 15,669.51
  4. Step 4: Simplify right side
    42,322.20x = 994,766,541.78
  5. Step 5: Solve for x
    x = 994,766,541.78/42,322.20
  6. Step 6: Final answer
    x = 23,504.60

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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.