Home / 55,560.40-83,348.70-18,122.20

Finding the Fourth Proportional to 55,560.40, 83,348.70 and 18,122.20

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Solution

The fourth proportional to 55,560.40, 83,348.70 and 18,122.20 is: 27,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,560.40 : 83,348.70 = 18,122.20 : x
  2. Step 2: Convert to fraction form
    55,560.40/83,348.70 = 18,122.20/x
  3. Step 3: Cross multiply
    55,560.40x = 83,348.70 × 18,122.20
  4. Step 4: Simplify right side
    55,560.40x = 1,510,461,811.14
  5. Step 5: Solve for x
    x = 1,510,461,811.14/55,560.40
  6. Step 6: Final answer
    x = 27,185.94

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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.