Home / 37,027.80-55,541.70-21,281.40

Finding the Fourth Proportional to 37,027.80, 55,541.70 and 21,281.40

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Solution

The fourth proportional to 37,027.80, 55,541.70 and 21,281.40 is: 31,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,027.80 : 55,541.70 = 21,281.40 : x
  2. Step 2: Convert to fraction form
    37,027.80/55,541.70 = 21,281.40/x
  3. Step 3: Cross multiply
    37,027.80x = 55,541.70 × 21,281.40
  4. Step 4: Simplify right side
    37,027.80x = 1,182,005,134.38
  5. Step 5: Solve for x
    x = 1,182,005,134.38/37,027.80
  6. Step 6: Final answer
    x = 31,922.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.