Home / 65,730.91-90,708.66-37,439.23

Finding the Fourth Proportional to 65,730.91, 90,708.66 and 37,439.23

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Solution

The fourth proportional to 65,730.91, 90,708.66 and 37,439.23 is: 51,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,730.91 : 90,708.66 = 37,439.23 : x
  2. Step 2: Convert to fraction form
    65,730.91/90,708.66 = 37,439.23/x
  3. Step 3: Cross multiply
    65,730.91x = 90,708.66 × 37,439.23
  4. Step 4: Simplify right side
    65,730.91x = 3,396,062,384.73
  5. Step 5: Solve for x
    x = 3,396,062,384.73/65,730.91
  6. Step 6: Final answer
    x = 51,666.14

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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.