Home / 38,992.92-53,810.33-21,088.05

Finding the Fourth Proportional to 38,992.92, 53,810.33 and 21,088.05

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Solution

The fourth proportional to 38,992.92, 53,810.33 and 21,088.05 is: 29,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992.92 : 53,810.33 = 21,088.05 : x
  2. Step 2: Convert to fraction form
    38,992.92/53,810.33 = 21,088.05/x
  3. Step 3: Cross multiply
    38,992.92x = 53,810.33 × 21,088.05
  4. Step 4: Simplify right side
    38,992.92x = 1,134,754,929.56
  5. Step 5: Solve for x
    x = 1,134,754,929.56/38,992.92
  6. Step 6: Final answer
    x = 29,101.56

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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.