Home / 55,335.40-82,952.70-20,266.60

Finding the Fourth Proportional to 55,335.40, 82,952.70 and 20,266.60

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Solution

The fourth proportional to 55,335.40, 82,952.70 and 20,266.60 is: 30,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.40 : 82,952.70 = 20,266.60 : x
  2. Step 2: Convert to fraction form
    55,335.40/82,952.70 = 20,266.60/x
  3. Step 3: Cross multiply
    55,335.40x = 82,952.70 × 20,266.60
  4. Step 4: Simplify right side
    55,335.40x = 1,681,169,189.82
  5. Step 5: Solve for x
    x = 1,681,169,189.82/55,335.40
  6. Step 6: Final answer
    x = 30,381.44

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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.