Home / 65,904.83-90,948.21-35,689.46

Finding the Fourth Proportional to 65,904.83, 90,948.21 and 35,689.46

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Solution

The fourth proportional to 65,904.83, 90,948.21 and 35,689.46 is: 49,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.83 : 90,948.21 = 35,689.46 : x
  2. Step 2: Convert to fraction form
    65,904.83/90,948.21 = 35,689.46/x
  3. Step 3: Cross multiply
    65,904.83x = 90,948.21 × 35,689.46
  4. Step 4: Simplify right side
    65,904.83x = 3,245,892,502.87
  5. Step 5: Solve for x
    x = 3,245,892,502.87/65,904.83
  6. Step 6: Final answer
    x = 49,251.21

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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.