Home / 40,140.93-55,403.69-26,712.75

Finding the Fourth Proportional to 40,140.93, 55,403.69 and 26,712.75

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Solution

The fourth proportional to 40,140.93, 55,403.69 and 26,712.75 is: 36,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.93 : 55,403.69 = 26,712.75 : x
  2. Step 2: Convert to fraction form
    40,140.93/55,403.69 = 26,712.75/x
  3. Step 3: Cross multiply
    40,140.93x = 55,403.69 × 26,712.75
  4. Step 4: Simplify right side
    40,140.93x = 1,479,984,786.48
  5. Step 5: Solve for x
    x = 1,479,984,786.48/40,140.93
  6. Step 6: Final answer
    x = 36,869.72

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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.