Home / 40,304.76-55,590.30-28,371.48

Finding the Fourth Proportional to 40,304.76, 55,590.30 and 28,371.48

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Solution

The fourth proportional to 40,304.76, 55,590.30 and 28,371.48 is: 39,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,304.76 : 55,590.30 = 28,371.48 : x
  2. Step 2: Convert to fraction form
    40,304.76/55,590.30 = 28,371.48/x
  3. Step 3: Cross multiply
    40,304.76x = 55,590.30 × 28,371.48
  4. Step 4: Simplify right side
    40,304.76x = 1,577,179,084.64
  5. Step 5: Solve for x
    x = 1,577,179,084.64/40,304.76
  6. Step 6: Final answer
    x = 39,131.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.