Home / 53,091.92-79,628.47-15,143.83

Finding the Fourth Proportional to 53,091.92, 79,628.47 and 15,143.83

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Solution

The fourth proportional to 53,091.92, 79,628.47 and 15,143.83 is: 22,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.92 : 79,628.47 = 15,143.83 : x
  2. Step 2: Convert to fraction form
    53,091.92/79,628.47 = 15,143.83/x
  3. Step 3: Cross multiply
    53,091.92x = 79,628.47 × 15,143.83
  4. Step 4: Simplify right side
    53,091.92x = 1,205,879,775.91
  5. Step 5: Solve for x
    x = 1,205,879,775.91/53,091.92
  6. Step 6: Final answer
    x = 22,713.06

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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.