Home / 40,950.75-61,397.63-18,142.22

Finding the Fourth Proportional to 40,950.75, 61,397.63 and 18,142.22

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Solution

The fourth proportional to 40,950.75, 61,397.63 and 18,142.22 is: 27,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,950.75 : 61,397.63 = 18,142.22 : x
  2. Step 2: Convert to fraction form
    40,950.75/61,397.63 = 18,142.22/x
  3. Step 3: Cross multiply
    40,950.75x = 61,397.63 × 18,142.22
  4. Step 4: Simplify right side
    40,950.75x = 1,113,888,913.24
  5. Step 5: Solve for x
    x = 1,113,888,913.24/40,950.75
  6. Step 6: Final answer
    x = 27,200.70

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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.