Home / 40,816.77-61,248.78-17,122.20

Finding the Fourth Proportional to 40,816.77, 61,248.78 and 17,122.20

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Solution

The fourth proportional to 40,816.77, 61,248.78 and 17,122.20 is: 25,693.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,816.77 : 61,248.78 = 17,122.20 : x
  2. Step 2: Convert to fraction form
    40,816.77/61,248.78 = 17,122.20/x
  3. Step 3: Cross multiply
    40,816.77x = 61,248.78 × 17,122.20
  4. Step 4: Simplify right side
    40,816.77x = 1,048,713,860.92
  5. Step 5: Solve for x
    x = 1,048,713,860.92/40,816.77
  6. Step 6: Final answer
    x = 25,693.21

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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.