Home / 42,436.23-63,616.67-21,348.69

Finding the Fourth Proportional to 42,436.23, 63,616.67 and 21,348.69

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Solution

The fourth proportional to 42,436.23, 63,616.67 and 21,348.69 is: 32,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,436.23 : 63,616.67 = 21,348.69 : x
  2. Step 2: Convert to fraction form
    42,436.23/63,616.67 = 21,348.69/x
  3. Step 3: Cross multiply
    42,436.23x = 63,616.67 × 21,348.69
  4. Step 4: Simplify right side
    42,436.23x = 1,358,132,566.66
  5. Step 5: Solve for x
    x = 1,358,132,566.66/42,436.23
  6. Step 6: Final answer
    x = 32,004.08

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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.