Home / 40,209.60-60,342.08-18,047.76

Finding the Fourth Proportional to 40,209.60, 60,342.08 and 18,047.76

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Solution

The fourth proportional to 40,209.60, 60,342.08 and 18,047.76 is: 27,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.60 : 60,342.08 = 18,047.76 : x
  2. Step 2: Convert to fraction form
    40,209.60/60,342.08 = 18,047.76/x
  3. Step 3: Cross multiply
    40,209.60x = 60,342.08 × 18,047.76
  4. Step 4: Simplify right side
    40,209.60x = 1,089,039,377.74
  5. Step 5: Solve for x
    x = 1,089,039,377.74/40,209.60
  6. Step 6: Final answer
    x = 27,084.06

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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.