Home / 37,412.89-51,629.25-21,281.95

Finding the Fourth Proportional to 37,412.89, 51,629.25 and 21,281.95

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Solution

The fourth proportional to 37,412.89, 51,629.25 and 21,281.95 is: 29,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,412.89 : 51,629.25 = 21,281.95 : x
  2. Step 2: Convert to fraction form
    37,412.89/51,629.25 = 21,281.95/x
  3. Step 3: Cross multiply
    37,412.89x = 51,629.25 × 21,281.95
  4. Step 4: Simplify right side
    37,412.89x = 1,098,771,117.04
  5. Step 5: Solve for x
    x = 1,098,771,117.04/37,412.89
  6. Step 6: Final answer
    x = 29,368.78

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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.