Home / 38,389.79-52,977.95-21,393.66

Finding the Fourth Proportional to 38,389.79, 52,977.95 and 21,393.66

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Solution

The fourth proportional to 38,389.79, 52,977.95 and 21,393.66 is: 29,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,389.79 : 52,977.95 = 21,393.66 : x
  2. Step 2: Convert to fraction form
    38,389.79/52,977.95 = 21,393.66/x
  3. Step 3: Cross multiply
    38,389.79x = 52,977.95 × 21,393.66
  4. Step 4: Simplify right side
    38,389.79x = 1,133,392,144.73
  5. Step 5: Solve for x
    x = 1,133,392,144.73/38,389.79
  6. Step 6: Final answer
    x = 29,523.27

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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.