Home / 40,044.06-60,029.85-18,970.95

Finding the Fourth Proportional to 40,044.06, 60,029.85 and 18,970.95

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Solution

The fourth proportional to 40,044.06, 60,029.85 and 18,970.95 is: 28,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044.06 : 60,029.85 = 18,970.95 : x
  2. Step 2: Convert to fraction form
    40,044.06/60,029.85 = 18,970.95/x
  3. Step 3: Cross multiply
    40,044.06x = 60,029.85 × 18,970.95
  4. Step 4: Simplify right side
    40,044.06x = 1,138,823,282.86
  5. Step 5: Solve for x
    x = 1,138,823,282.86/40,044.06
  6. Step 6: Final answer
    x = 28,439.26

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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.