Home / 38,393.13-52,975.51-21,396.95

Finding the Fourth Proportional to 38,393.13, 52,975.51 and 21,396.95

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Solution

The fourth proportional to 38,393.13, 52,975.51 and 21,396.95 is: 29,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.13 : 52,975.51 = 21,396.95 : x
  2. Step 2: Convert to fraction form
    38,393.13/52,975.51 = 21,396.95/x
  3. Step 3: Cross multiply
    38,393.13x = 52,975.51 × 21,396.95
  4. Step 4: Simplify right side
    38,393.13x = 1,133,514,020.32
  5. Step 5: Solve for x
    x = 1,133,514,020.32/38,393.13
  6. Step 6: Final answer
    x = 29,523.88

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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.