Home / 38,384.24-52,974.14-21,391.25

Finding the Fourth Proportional to 38,384.24, 52,974.14 and 21,391.25

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Solution

The fourth proportional to 38,384.24, 52,974.14 and 21,391.25 is: 29,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,384.24 : 52,974.14 = 21,391.25 : x
  2. Step 2: Convert to fraction form
    38,384.24/52,974.14 = 21,391.25/x
  3. Step 3: Cross multiply
    38,384.24x = 52,974.14 × 21,391.25
  4. Step 4: Simplify right side
    38,384.24x = 1,133,182,700.45
  5. Step 5: Solve for x
    x = 1,133,182,700.45/38,384.24
  6. Step 6: Final answer
    x = 29,522.09

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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.