Home / 58,143.26-87,182.06-20,174.72

Finding the Fourth Proportional to 58,143.26, 87,182.06 and 20,174.72

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Solution

The fourth proportional to 58,143.26, 87,182.06 and 20,174.72 is: 30,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,143.26 : 87,182.06 = 20,174.72 : x
  2. Step 2: Convert to fraction form
    58,143.26/87,182.06 = 20,174.72/x
  3. Step 3: Cross multiply
    58,143.26x = 87,182.06 × 20,174.72
  4. Step 4: Simplify right side
    58,143.26x = 1,758,873,649.52
  5. Step 5: Solve for x
    x = 1,758,873,649.52/58,143.26
  6. Step 6: Final answer
    x = 30,250.69

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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.