Home / 37,887.98-52,287.32-21,972.65

Finding the Fourth Proportional to 37,887.98, 52,287.32 and 21,972.65

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Solution

The fourth proportional to 37,887.98, 52,287.32 and 21,972.65 is: 30,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,887.98 : 52,287.32 = 21,972.65 : x
  2. Step 2: Convert to fraction form
    37,887.98/52,287.32 = 21,972.65/x
  3. Step 3: Cross multiply
    37,887.98x = 52,287.32 × 21,972.65
  4. Step 4: Simplify right side
    37,887.98x = 1,148,890,775.29
  5. Step 5: Solve for x
    x = 1,148,890,775.29/37,887.98
  6. Step 6: Final answer
    x = 30,323.36

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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.