Home / 37,130.73-51,243.12-21,214.84

Finding the Fourth Proportional to 37,130.73, 51,243.12 and 21,214.84

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Solution

The fourth proportional to 37,130.73, 51,243.12 and 21,214.84 is: 29,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.73 : 51,243.12 = 21,214.84 : x
  2. Step 2: Convert to fraction form
    37,130.73/51,243.12 = 21,214.84/x
  3. Step 3: Cross multiply
    37,130.73x = 51,243.12 × 21,214.84
  4. Step 4: Simplify right side
    37,130.73x = 1,087,114,591.90
  5. Step 5: Solve for x
    x = 1,087,114,591.90/37,130.73
  6. Step 6: Final answer
    x = 29,278.03

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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.