Home / 40,515.36-55,914-22,613.86

Finding the Fourth Proportional to 40,515.36, 55,914 and 22,613.86

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Solution

The fourth proportional to 40,515.36, 55,914 and 22,613.86 is: 31,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,515.36 : 55,914 = 22,613.86 : x
  2. Step 2: Convert to fraction form
    40,515.36/55,914 = 22,613.86/x
  3. Step 3: Cross multiply
    40,515.36x = 55,914 × 22,613.86
  4. Step 4: Simplify right side
    40,515.36x = 1,264,431,088.47
  5. Step 5: Solve for x
    x = 1,264,431,088.47/40,515.36
  6. Step 6: Final answer
    x = 31,208.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.