Home / 40,290.85-55,602.35-22,386.61

Finding the Fourth Proportional to 40,290.85, 55,602.35 and 22,386.61

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Solution

The fourth proportional to 40,290.85, 55,602.35 and 22,386.61 is: 30,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.85 : 55,602.35 = 22,386.61 : x
  2. Step 2: Convert to fraction form
    40,290.85/55,602.35 = 22,386.61/x
  3. Step 3: Cross multiply
    40,290.85x = 55,602.35 × 22,386.61
  4. Step 4: Simplify right side
    40,290.85x = 1,244,748,124.53
  5. Step 5: Solve for x
    x = 1,244,748,124.53/40,290.85
  6. Step 6: Final answer
    x = 30,894.06

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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.