Home / 29,581.95-40,800.02-18,972.39

Finding the Fourth Proportional to 29,581.95, 40,800.02 and 18,972.39

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Solution

The fourth proportional to 29,581.95, 40,800.02 and 18,972.39 is: 26,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,581.95 : 40,800.02 = 18,972.39 : x
  2. Step 2: Convert to fraction form
    29,581.95/40,800.02 = 18,972.39/x
  3. Step 3: Cross multiply
    29,581.95x = 40,800.02 × 18,972.39
  4. Step 4: Simplify right side
    29,581.95x = 774,073,796.59
  5. Step 5: Solve for x
    x = 774,073,796.59/29,581.95
  6. Step 6: Final answer
    x = 26,167.10

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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.