Home / 40,772.68-61,107.18-18,598.12

Finding the Fourth Proportional to 40,772.68, 61,107.18 and 18,598.12

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Solution

The fourth proportional to 40,772.68, 61,107.18 and 18,598.12 is: 27,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772.68 : 61,107.18 = 18,598.12 : x
  2. Step 2: Convert to fraction form
    40,772.68/61,107.18 = 18,598.12/x
  3. Step 3: Cross multiply
    40,772.68x = 61,107.18 × 18,598.12
  4. Step 4: Simplify right side
    40,772.68x = 1,136,478,666.50
  5. Step 5: Solve for x
    x = 1,136,478,666.50/40,772.68
  6. Step 6: Final answer
    x = 27,873.53

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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.