Home / 55,620.32-83,429.78-13,500.75

Finding the Fourth Proportional to 55,620.32, 83,429.78 and 13,500.75

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Solution

The fourth proportional to 55,620.32, 83,429.78 and 13,500.75 is: 20,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620.32 : 83,429.78 = 13,500.75 : x
  2. Step 2: Convert to fraction form
    55,620.32/83,429.78 = 13,500.75/x
  3. Step 3: Cross multiply
    55,620.32x = 83,429.78 × 13,500.75
  4. Step 4: Simplify right side
    55,620.32x = 1,126,364,602.34
  5. Step 5: Solve for x
    x = 1,126,364,602.34/55,620.32
  6. Step 6: Final answer
    x = 20,250.96

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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.