Home / 40,300.20-60,407.10-15,330.60

Finding the Fourth Proportional to 40,300.20, 60,407.10 and 15,330.60

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Solution

The fourth proportional to 40,300.20, 60,407.10 and 15,330.60 is: 22,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,300.20 : 60,407.10 = 15,330.60 : x
  2. Step 2: Convert to fraction form
    40,300.20/60,407.10 = 15,330.60/x
  3. Step 3: Cross multiply
    40,300.20x = 60,407.10 × 15,330.60
  4. Step 4: Simplify right side
    40,300.20x = 926,077,087.26
  5. Step 5: Solve for x
    x = 926,077,087.26/40,300.20
  6. Step 6: Final answer
    x = 22,979.47

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1.5x scale

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.