Home / 38,390.52-52,979.76-21,623.52

Finding the Fourth Proportional to 38,390.52, 52,979.76 and 21,623.52

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Solution

The fourth proportional to 38,390.52, 52,979.76 and 21,623.52 is: 29,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.52 : 52,979.76 = 21,623.52 : x
  2. Step 2: Convert to fraction form
    38,390.52/52,979.76 = 21,623.52/x
  3. Step 3: Cross multiply
    38,390.52x = 52,979.76 × 21,623.52
  4. Step 4: Simplify right side
    38,390.52x = 1,145,608,899.96
  5. Step 5: Solve for x
    x = 1,145,608,899.96/38,390.52
  6. Step 6: Final answer
    x = 29,840.93

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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.