Home / 42,306.68-63,393.23-15,615.94

Finding the Fourth Proportional to 42,306.68, 63,393.23 and 15,615.94

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Solution

The fourth proportional to 42,306.68, 63,393.23 and 15,615.94 is: 23,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,306.68 : 63,393.23 = 15,615.94 : x
  2. Step 2: Convert to fraction form
    42,306.68/63,393.23 = 15,615.94/x
  3. Step 3: Cross multiply
    42,306.68x = 63,393.23 × 15,615.94
  4. Step 4: Simplify right side
    42,306.68x = 989,944,875.51
  5. Step 5: Solve for x
    x = 989,944,875.51/42,306.68
  6. Step 6: Final answer
    x = 23,399.26

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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.