Home / 40,987.54-61,490.55-12,527.05

Finding the Fourth Proportional to 40,987.54, 61,490.55 and 12,527.05

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Solution

The fourth proportional to 40,987.54, 61,490.55 and 12,527.05 is: 18,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,987.54 : 61,490.55 = 12,527.05 : x
  2. Step 2: Convert to fraction form
    40,987.54/61,490.55 = 12,527.05/x
  3. Step 3: Cross multiply
    40,987.54x = 61,490.55 × 12,527.05
  4. Step 4: Simplify right side
    40,987.54x = 770,295,194.38
  5. Step 5: Solve for x
    x = 770,295,194.38/40,987.54
  6. Step 6: Final answer
    x = 18,793.40

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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.