Home / 55,421.40-83,132.10-33,259.80

Finding the Fourth Proportional to 55,421.40, 83,132.10 and 33,259.80

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Solution

The fourth proportional to 55,421.40, 83,132.10 and 33,259.80 is: 49,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,421.40 : 83,132.10 = 33,259.80 : x
  2. Step 2: Convert to fraction form
    55,421.40/83,132.10 = 33,259.80/x
  3. Step 3: Cross multiply
    55,421.40x = 83,132.10 × 33,259.80
  4. Step 4: Simplify right side
    55,421.40x = 2,764,957,019.58
  5. Step 5: Solve for x
    x = 2,764,957,019.58/55,421.40
  6. Step 6: Final answer
    x = 49,889.70

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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.