Home / 37,509.10-51,766.97-21,378.76

Finding the Fourth Proportional to 37,509.10, 51,766.97 and 21,378.76

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Solution

The fourth proportional to 37,509.10, 51,766.97 and 21,378.76 is: 29,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,509.10 : 51,766.97 = 21,378.76 : x
  2. Step 2: Convert to fraction form
    37,509.10/51,766.97 = 21,378.76/x
  3. Step 3: Cross multiply
    37,509.10x = 51,766.97 × 21,378.76
  4. Step 4: Simplify right side
    37,509.10x = 1,106,713,391.25
  5. Step 5: Solve for x
    x = 1,106,713,391.25/37,509.10
  6. Step 6: Final answer
    x = 29,505.20

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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.