Home / 55,621.86-83,425.83-18,178.80

Finding the Fourth Proportional to 55,621.86, 83,425.83 and 18,178.80

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Solution

The fourth proportional to 55,621.86, 83,425.83 and 18,178.80 is: 27,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,621.86 : 83,425.83 = 18,178.80 : x
  2. Step 2: Convert to fraction form
    55,621.86/83,425.83 = 18,178.80/x
  3. Step 3: Cross multiply
    55,621.86x = 83,425.83 × 18,178.80
  4. Step 4: Simplify right side
    55,621.86x = 1,516,581,478.40
  5. Step 5: Solve for x
    x = 1,516,581,478.40/55,621.86
  6. Step 6: Final answer
    x = 27,265.93

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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.