Home / 38,320.56-52,882.72-21,325.52

Finding the Fourth Proportional to 38,320.56, 52,882.72 and 21,325.52

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Solution

The fourth proportional to 38,320.56, 52,882.72 and 21,325.52 is: 29,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.56 : 52,882.72 = 21,325.52 : x
  2. Step 2: Convert to fraction form
    38,320.56/52,882.72 = 21,325.52/x
  3. Step 3: Cross multiply
    38,320.56x = 52,882.72 × 21,325.52
  4. Step 4: Simplify right side
    38,320.56x = 1,127,751,195.08
  5. Step 5: Solve for x
    x = 1,127,751,195.08/38,320.56
  6. Step 6: Final answer
    x = 29,429.41

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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.