Home / 55,419.93-83,163.02-20,363.13

Finding the Fourth Proportional to 55,419.93, 83,163.02 and 20,363.13

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Solution

The fourth proportional to 55,419.93, 83,163.02 and 20,363.13 is: 30,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.93 : 83,163.02 = 20,363.13 : x
  2. Step 2: Convert to fraction form
    55,419.93/83,163.02 = 20,363.13/x
  3. Step 3: Cross multiply
    55,419.93x = 83,163.02 × 20,363.13
  4. Step 4: Simplify right side
    55,419.93x = 1,693,459,285.64
  5. Step 5: Solve for x
    x = 1,693,459,285.64/55,419.93
  6. Step 6: Final answer
    x = 30,556.86

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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.