Home / 40,063.04-60,042.72-19,275.20

Finding the Fourth Proportional to 40,063.04, 60,042.72 and 19,275.20

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Solution

The fourth proportional to 40,063.04, 60,042.72 and 19,275.20 is: 28,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,063.04 : 60,042.72 = 19,275.20 : x
  2. Step 2: Convert to fraction form
    40,063.04/60,042.72 = 19,275.20/x
  3. Step 3: Cross multiply
    40,063.04x = 60,042.72 × 19,275.20
  4. Step 4: Simplify right side
    40,063.04x = 1,157,335,436.54
  5. Step 5: Solve for x
    x = 1,157,335,436.54/40,063.04
  6. Step 6: Final answer
    x = 28,887.86

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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.