Home / 37,049.13-51,127.80-20,282.13

Finding the Fourth Proportional to 37,049.13, 51,127.80 and 20,282.13

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Solution

The fourth proportional to 37,049.13, 51,127.80 and 20,282.13 is: 27,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,049.13 : 51,127.80 = 20,282.13 : x
  2. Step 2: Convert to fraction form
    37,049.13/51,127.80 = 20,282.13/x
  3. Step 3: Cross multiply
    37,049.13x = 51,127.80 × 20,282.13
  4. Step 4: Simplify right side
    37,049.13x = 1,036,980,329.16
  5. Step 5: Solve for x
    x = 1,036,980,329.16/37,049.13
  6. Step 6: Final answer
    x = 27,989.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.