Home / 40,953.75-61,402.12-18,145.22

Finding the Fourth Proportional to 40,953.75, 61,402.12 and 18,145.22

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Solution

The fourth proportional to 40,953.75, 61,402.12 and 18,145.22 is: 27,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,953.75 : 61,402.12 = 18,145.22 : x
  2. Step 2: Convert to fraction form
    40,953.75/61,402.12 = 18,145.22/x
  3. Step 3: Cross multiply
    40,953.75x = 61,402.12 × 18,145.22
  4. Step 4: Simplify right side
    40,953.75x = 1,114,154,975.87
  5. Step 5: Solve for x
    x = 1,114,154,975.87/40,953.75
  6. Step 6: Final answer
    x = 27,205.20

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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.