Home / 65,329.28-90,154.38-35,521.28

Finding the Fourth Proportional to 65,329.28, 90,154.38 and 35,521.28

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Solution

The fourth proportional to 65,329.28, 90,154.38 and 35,521.28 is: 49,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,329.28 : 90,154.38 = 35,521.28 : x
  2. Step 2: Convert to fraction form
    65,329.28/90,154.38 = 35,521.28/x
  3. Step 3: Cross multiply
    65,329.28x = 90,154.38 × 35,521.28
  4. Step 4: Simplify right side
    65,329.28x = 3,202,398,975.21
  5. Step 5: Solve for x
    x = 3,202,398,975.21/65,329.28
  6. Step 6: Final answer
    x = 49,019.35

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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.