Home / 38,114.15-52,597.35-21,981.38

Finding the Fourth Proportional to 38,114.15, 52,597.35 and 21,981.38

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Solution

The fourth proportional to 38,114.15, 52,597.35 and 21,981.38 is: 30,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,114.15 : 52,597.35 = 21,981.38 : x
  2. Step 2: Convert to fraction form
    38,114.15/52,597.35 = 21,981.38/x
  3. Step 3: Cross multiply
    38,114.15x = 52,597.35 × 21,981.38
  4. Step 4: Simplify right side
    38,114.15x = 1,156,162,074.36
  5. Step 5: Solve for x
    x = 1,156,162,074.36/38,114.15
  6. Step 6: Final answer
    x = 30,334.20

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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.