Home / 40,280.48-60,440.52-18,109.52

Finding the Fourth Proportional to 40,280.48, 60,440.52 and 18,109.52

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Solution

The fourth proportional to 40,280.48, 60,440.52 and 18,109.52 is: 27,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.48 : 60,440.52 = 18,109.52 : x
  2. Step 2: Convert to fraction form
    40,280.48/60,440.52 = 18,109.52/x
  3. Step 3: Cross multiply
    40,280.48x = 60,440.52 × 18,109.52
  4. Step 4: Simplify right side
    40,280.48x = 1,094,548,805.75
  5. Step 5: Solve for x
    x = 1,094,548,805.75/40,280.48
  6. Step 6: Final answer
    x = 27,173.18

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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.