Home / 55,576.40-83,366.08-18,138.74

Finding the Fourth Proportional to 55,576.40, 83,366.08 and 18,138.74

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Solution

The fourth proportional to 55,576.40, 83,366.08 and 18,138.74 is: 27,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,576.40 : 83,366.08 = 18,138.74 : x
  2. Step 2: Convert to fraction form
    55,576.40/83,366.08 = 18,138.74/x
  3. Step 3: Cross multiply
    55,576.40x = 83,366.08 × 18,138.74
  4. Step 4: Simplify right side
    55,576.40x = 1,512,155,187.76
  5. Step 5: Solve for x
    x = 1,512,155,187.76/55,576.40
  6. Step 6: Final answer
    x = 27,208.59

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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.