Home / 49,695.48-68,581.58-28,478.85

Finding the Fourth Proportional to 49,695.48, 68,581.58 and 28,478.85

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Solution

The fourth proportional to 49,695.48, 68,581.58 and 28,478.85 is: 39,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,695.48 : 68,581.58 = 28,478.85 : x
  2. Step 2: Convert to fraction form
    49,695.48/68,581.58 = 28,478.85/x
  3. Step 3: Cross multiply
    49,695.48x = 68,581.58 × 28,478.85
  4. Step 4: Simplify right side
    49,695.48x = 1,953,124,387.19
  5. Step 5: Solve for x
    x = 1,953,124,387.19/49,695.48
  6. Step 6: Final answer
    x = 39,301.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.