Home / 42,662.68-63,966.67-17,719.95

Finding the Fourth Proportional to 42,662.68, 63,966.67 and 17,719.95

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Solution

The fourth proportional to 42,662.68, 63,966.67 and 17,719.95 is: 26,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,662.68 : 63,966.67 = 17,719.95 : x
  2. Step 2: Convert to fraction form
    42,662.68/63,966.67 = 17,719.95/x
  3. Step 3: Cross multiply
    42,662.68x = 63,966.67 × 17,719.95
  4. Step 4: Simplify right side
    42,662.68x = 1,133,486,194.07
  5. Step 5: Solve for x
    x = 1,133,486,194.07/42,662.68
  6. Step 6: Final answer
    x = 26,568.57

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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.