Home / 40,277.10-60,432.66-20,276.16

Finding the Fourth Proportional to 40,277.10, 60,432.66 and 20,276.16

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Solution

The fourth proportional to 40,277.10, 60,432.66 and 20,276.16 is: 30,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.10 : 60,432.66 = 20,276.16 : x
  2. Step 2: Convert to fraction form
    40,277.10/60,432.66 = 20,276.16/x
  3. Step 3: Cross multiply
    40,277.10x = 60,432.66 × 20,276.16
  4. Step 4: Simplify right side
    40,277.10x = 1,225,342,283.39
  5. Step 5: Solve for x
    x = 1,225,342,283.39/40,277.10
  6. Step 6: Final answer
    x = 30,422.80

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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.