Home / 38,117.24-52,599.84-21,121.04

Finding the Fourth Proportional to 38,117.24, 52,599.84 and 21,121.04

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Solution

The fourth proportional to 38,117.24, 52,599.84 and 21,121.04 is: 29,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,117.24 : 52,599.84 = 21,121.04 : x
  2. Step 2: Convert to fraction form
    38,117.24/52,599.84 = 21,121.04/x
  3. Step 3: Cross multiply
    38,117.24x = 52,599.84 × 21,121.04
  4. Step 4: Simplify right side
    38,117.24x = 1,110,963,324.63
  5. Step 5: Solve for x
    x = 1,110,963,324.63/38,117.24
  6. Step 6: Final answer
    x = 29,145.95

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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.