Home / 37,391.60-51,601.56-21,479.24

Finding the Fourth Proportional to 37,391.60, 51,601.56 and 21,479.24

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Solution

The fourth proportional to 37,391.60, 51,601.56 and 21,479.24 is: 29,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,391.60 : 51,601.56 = 21,479.24 : x
  2. Step 2: Convert to fraction form
    37,391.60/51,601.56 = 21,479.24/x
  3. Step 3: Cross multiply
    37,391.60x = 51,601.56 × 21,479.24
  4. Step 4: Simplify right side
    37,391.60x = 1,108,362,291.61
  5. Step 5: Solve for x
    x = 1,108,362,291.61/37,391.60
  6. Step 6: Final answer
    x = 29,642.01

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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.