Home / 36,172.87-49,920.93-20,258.35

Finding the Fourth Proportional to 36,172.87, 49,920.93 and 20,258.35

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Solution

The fourth proportional to 36,172.87, 49,920.93 and 20,258.35 is: 27,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.87 : 49,920.93 = 20,258.35 : x
  2. Step 2: Convert to fraction form
    36,172.87/49,920.93 = 20,258.35/x
  3. Step 3: Cross multiply
    36,172.87x = 49,920.93 × 20,258.35
  4. Step 4: Simplify right side
    36,172.87x = 1,011,315,672.27
  5. Step 5: Solve for x
    x = 1,011,315,672.27/36,172.87
  6. Step 6: Final answer
    x = 27,957.85

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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.