Home / 40,065.11-55,287.63-22,158.93

Finding the Fourth Proportional to 40,065.11, 55,287.63 and 22,158.93

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Solution

The fourth proportional to 40,065.11, 55,287.63 and 22,158.93 is: 30,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,065.11 : 55,287.63 = 22,158.93 : x
  2. Step 2: Convert to fraction form
    40,065.11/55,287.63 = 22,158.93/x
  3. Step 3: Cross multiply
    40,065.11x = 55,287.63 × 22,158.93
  4. Step 4: Simplify right side
    40,065.11x = 1,225,114,723.04
  5. Step 5: Solve for x
    x = 1,225,114,723.04/40,065.11
  6. Step 6: Final answer
    x = 30,578.09

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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.