Home / 52,863.96-79,140.36-35,290.20

Finding the Fourth Proportional to 52,863.96, 79,140.36 and 35,290.20

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Solution

The fourth proportional to 52,863.96, 79,140.36 and 35,290.20 is: 52,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,863.96 : 79,140.36 = 35,290.20 : x
  2. Step 2: Convert to fraction form
    52,863.96/79,140.36 = 35,290.20/x
  3. Step 3: Cross multiply
    52,863.96x = 79,140.36 × 35,290.20
  4. Step 4: Simplify right side
    52,863.96x = 2,792,879,132.47
  5. Step 5: Solve for x
    x = 2,792,879,132.47/52,863.96
  6. Step 6: Final answer
    x = 52,831.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.