Home / 72,440.76-108,598.32-28,036.95

Finding the Fourth Proportional to 72,440.76, 108,598.32 and 28,036.95

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Solution

The fourth proportional to 72,440.76, 108,598.32 and 28,036.95 is: 42,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,440.76 : 108,598.32 = 28,036.95 : x
  2. Step 2: Convert to fraction form
    72,440.76/108,598.32 = 28,036.95/x
  3. Step 3: Cross multiply
    72,440.76x = 108,598.32 × 28,036.95
  4. Step 4: Simplify right side
    72,440.76x = 3,044,765,667.92
  5. Step 5: Solve for x
    x = 3,044,765,667.92/72,440.76
  6. Step 6: Final answer
    x = 42,031.11

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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.