Home / 54,607.47-81,911.12-17,170.80

Finding the Fourth Proportional to 54,607.47, 81,911.12 and 17,170.80

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Solution

The fourth proportional to 54,607.47, 81,911.12 and 17,170.80 is: 25,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,607.47 : 81,911.12 = 17,170.80 : x
  2. Step 2: Convert to fraction form
    54,607.47/81,911.12 = 17,170.80/x
  3. Step 3: Cross multiply
    54,607.47x = 81,911.12 × 17,170.80
  4. Step 4: Simplify right side
    54,607.47x = 1,406,479,527.03
  5. Step 5: Solve for x
    x = 1,406,479,527.03/54,607.47
  6. Step 6: Final answer
    x = 25,756.18

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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.