Home / 37,313.75-51,490.13-21,179.16

Finding the Fourth Proportional to 37,313.75, 51,490.13 and 21,179.16

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Solution

The fourth proportional to 37,313.75, 51,490.13 and 21,179.16 is: 29,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,313.75 : 51,490.13 = 21,179.16 : x
  2. Step 2: Convert to fraction form
    37,313.75/51,490.13 = 21,179.16/x
  3. Step 3: Cross multiply
    37,313.75x = 51,490.13 × 21,179.16
  4. Step 4: Simplify right side
    37,313.75x = 1,090,517,595.80
  5. Step 5: Solve for x
    x = 1,090,517,595.80/37,313.75
  6. Step 6: Final answer
    x = 29,225.63

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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.