Home / 39,876.30-59,733.65-18,498.85

Finding the Fourth Proportional to 39,876.30, 59,733.65 and 18,498.85

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Solution

The fourth proportional to 39,876.30, 59,733.65 and 18,498.85 is: 27,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.30 : 59,733.65 = 18,498.85 : x
  2. Step 2: Convert to fraction form
    39,876.30/59,733.65 = 18,498.85/x
  3. Step 3: Cross multiply
    39,876.30x = 59,733.65 × 18,498.85
  4. Step 4: Simplify right side
    39,876.30x = 1,105,003,728.22
  5. Step 5: Solve for x
    x = 1,105,003,728.22/39,876.30
  6. Step 6: Final answer
    x = 27,710.79

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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.