Home / 38,184.30-57,309.86-20,429.10

Finding the Fourth Proportional to 38,184.30, 57,309.86 and 20,429.10

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Solution

The fourth proportional to 38,184.30, 57,309.86 and 20,429.10 is: 30,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,184.30 : 57,309.86 = 20,429.10 : x
  2. Step 2: Convert to fraction form
    38,184.30/57,309.86 = 20,429.10/x
  3. Step 3: Cross multiply
    38,184.30x = 57,309.86 × 20,429.10
  4. Step 4: Simplify right side
    38,184.30x = 1,170,788,758.78
  5. Step 5: Solve for x
    x = 1,170,788,758.78/38,184.30
  6. Step 6: Final answer
    x = 30,661.52

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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.