Home / 39,910.56-59,865.84-17,718.72

Finding the Fourth Proportional to 39,910.56, 59,865.84 and 17,718.72

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Solution

The fourth proportional to 39,910.56, 59,865.84 and 17,718.72 is: 26,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.56 : 59,865.84 = 17,718.72 : x
  2. Step 2: Convert to fraction form
    39,910.56/59,865.84 = 17,718.72/x
  3. Step 3: Cross multiply
    39,910.56x = 59,865.84 × 17,718.72
  4. Step 4: Simplify right side
    39,910.56x = 1,060,746,056.52
  5. Step 5: Solve for x
    x = 1,060,746,056.52/39,910.56
  6. Step 6: Final answer
    x = 26,578.08

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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.