Home / 65,904.95-90,948.38-35,689.58

Finding the Fourth Proportional to 65,904.95, 90,948.38 and 35,689.58

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Solution

The fourth proportional to 65,904.95, 90,948.38 and 35,689.58 is: 49,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.95 : 90,948.38 = 35,689.58 : x
  2. Step 2: Convert to fraction form
    65,904.95/90,948.38 = 35,689.58/x
  3. Step 3: Cross multiply
    65,904.95x = 90,948.38 × 35,689.58
  4. Step 4: Simplify right side
    65,904.95x = 3,245,908,850.69
  5. Step 5: Solve for x
    x = 3,245,908,850.69/65,904.95
  6. Step 6: Final answer
    x = 49,251.37

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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.