Home / 40,417.29-55,750.61-28,910.97

Finding the Fourth Proportional to 40,417.29, 55,750.61 and 28,910.97

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Solution

The fourth proportional to 40,417.29, 55,750.61 and 28,910.97 is: 39,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,417.29 : 55,750.61 = 28,910.97 : x
  2. Step 2: Convert to fraction form
    40,417.29/55,750.61 = 28,910.97/x
  3. Step 3: Cross multiply
    40,417.29x = 55,750.61 × 28,910.97
  4. Step 4: Simplify right side
    40,417.29x = 1,611,804,285.47
  5. Step 5: Solve for x
    x = 1,611,804,285.47/40,417.29
  6. Step 6: Final answer
    x = 39,879.08

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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.