Home / 38,319.48-52,882.88-21,323.79

Finding the Fourth Proportional to 38,319.48, 52,882.88 and 21,323.79

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Solution

The fourth proportional to 38,319.48, 52,882.88 and 21,323.79 is: 29,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319.48 : 52,882.88 = 21,323.79 : x
  2. Step 2: Convert to fraction form
    38,319.48/52,882.88 = 21,323.79/x
  3. Step 3: Cross multiply
    38,319.48x = 52,882.88 × 21,323.79
  4. Step 4: Simplify right side
    38,319.48x = 1,127,663,321.10
  5. Step 5: Solve for x
    x = 1,127,663,321.10/38,319.48
  6. Step 6: Final answer
    x = 29,427.94

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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.