Home / 55,560.47-83,353.96-18,120.58

Finding the Fourth Proportional to 55,560.47, 83,353.96 and 18,120.58

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Solution

The fourth proportional to 55,560.47, 83,353.96 and 18,120.58 is: 27,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,560.47 : 83,353.96 = 18,120.58 : x
  2. Step 2: Convert to fraction form
    55,560.47/83,353.96 = 18,120.58/x
  3. Step 3: Cross multiply
    55,560.47x = 83,353.96 × 18,120.58
  4. Step 4: Simplify right side
    55,560.47x = 1,510,421,914.76
  5. Step 5: Solve for x
    x = 1,510,421,914.76/55,560.47
  6. Step 6: Final answer
    x = 27,185.19

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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.