Home / 40,186.81-60,275.58-10,606.95

Finding the Fourth Proportional to 40,186.81, 60,275.58 and 10,606.95

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Solution

The fourth proportional to 40,186.81, 60,275.58 and 10,606.95 is: 15,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.81 : 60,275.58 = 10,606.95 : x
  2. Step 2: Convert to fraction form
    40,186.81/60,275.58 = 10,606.95/x
  3. Step 3: Cross multiply
    40,186.81x = 60,275.58 × 10,606.95
  4. Step 4: Simplify right side
    40,186.81x = 639,340,289.31
  5. Step 5: Solve for x
    x = 639,340,289.31/40,186.81
  6. Step 6: Final answer
    x = 15,909.21

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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.