Home / 65,931.92-90,986.29-35,717.17

Finding the Fourth Proportional to 65,931.92, 90,986.29 and 35,717.17

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Solution

The fourth proportional to 65,931.92, 90,986.29 and 35,717.17 is: 49,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,931.92 : 90,986.29 = 35,717.17 : x
  2. Step 2: Convert to fraction form
    65,931.92/90,986.29 = 35,717.17/x
  3. Step 3: Cross multiply
    65,931.92x = 90,986.29 × 35,717.17
  4. Step 4: Simplify right side
    65,931.92x = 3,249,772,641.44
  5. Step 5: Solve for x
    x = 3,249,772,641.44/65,931.92
  6. Step 6: Final answer
    x = 49,289.82

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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.