Home / 38,117.08-52,600.79-21,121.18

Finding the Fourth Proportional to 38,117.08, 52,600.79 and 21,121.18

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Solution

The fourth proportional to 38,117.08, 52,600.79 and 21,121.18 is: 29,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,117.08 : 52,600.79 = 21,121.18 : x
  2. Step 2: Convert to fraction form
    38,117.08/52,600.79 = 21,121.18/x
  3. Step 3: Cross multiply
    38,117.08x = 52,600.79 × 21,121.18
  4. Step 4: Simplify right side
    38,117.08x = 1,110,990,622.23
  5. Step 5: Solve for x
    x = 1,110,990,622.23/38,117.08
  6. Step 6: Final answer
    x = 29,146.79

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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.