Home / 37,279.84-51,439.44-21,360.64

Finding the Fourth Proportional to 37,279.84, 51,439.44 and 21,360.64

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Solution

The fourth proportional to 37,279.84, 51,439.44 and 21,360.64 is: 29,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,279.84 : 51,439.44 = 21,360.64 : x
  2. Step 2: Convert to fraction form
    37,279.84/51,439.44 = 21,360.64/x
  3. Step 3: Cross multiply
    37,279.84x = 51,439.44 × 21,360.64
  4. Step 4: Simplify right side
    37,279.84x = 1,098,779,359.64
  5. Step 5: Solve for x
    x = 1,098,779,359.64/37,279.84
  6. Step 6: Final answer
    x = 29,473.82

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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.