Home / 55,412.14-83,126.41-20,349.06

Finding the Fourth Proportional to 55,412.14, 83,126.41 and 20,349.06

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Solution

The fourth proportional to 55,412.14, 83,126.41 and 20,349.06 is: 30,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412.14 : 83,126.41 = 20,349.06 : x
  2. Step 2: Convert to fraction form
    55,412.14/83,126.41 = 20,349.06/x
  3. Step 3: Cross multiply
    55,412.14x = 83,126.41 × 20,349.06
  4. Step 4: Simplify right side
    55,412.14x = 1,691,544,304.67
  5. Step 5: Solve for x
    x = 1,691,544,304.67/55,412.14
  6. Step 6: Final answer
    x = 30,526.60

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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.