Home / 47,717.65-65,856.41-28,865.17

Finding the Fourth Proportional to 47,717.65, 65,856.41 and 28,865.17

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Solution

The fourth proportional to 47,717.65, 65,856.41 and 28,865.17 is: 39,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,717.65 : 65,856.41 = 28,865.17 : x
  2. Step 2: Convert to fraction form
    47,717.65/65,856.41 = 28,865.17/x
  3. Step 3: Cross multiply
    47,717.65x = 65,856.41 × 28,865.17
  4. Step 4: Simplify right side
    47,717.65x = 1,900,956,470.24
  5. Step 5: Solve for x
    x = 1,900,956,470.24/47,717.65
  6. Step 6: Final answer
    x = 39,837.60

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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.