Home / 40,287.13-60,433.93-12,585.13

Finding the Fourth Proportional to 40,287.13, 60,433.93 and 12,585.13

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Solution

The fourth proportional to 40,287.13, 60,433.93 and 12,585.13 is: 18,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,287.13 : 60,433.93 = 12,585.13 : x
  2. Step 2: Convert to fraction form
    40,287.13/60,433.93 = 12,585.13/x
  3. Step 3: Cross multiply
    40,287.13x = 60,433.93 × 12,585.13
  4. Step 4: Simplify right side
    40,287.13x = 760,568,865.46
  5. Step 5: Solve for x
    x = 760,568,865.46/40,287.13
  6. Step 6: Final answer
    x = 18,878.71

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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.