Home / 37,470.13-51,711.09-21,554.21

Finding the Fourth Proportional to 37,470.13, 51,711.09 and 21,554.21

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Solution

The fourth proportional to 37,470.13, 51,711.09 and 21,554.21 is: 29,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,470.13 : 51,711.09 = 21,554.21 : x
  2. Step 2: Convert to fraction form
    37,470.13/51,711.09 = 21,554.21/x
  3. Step 3: Cross multiply
    37,470.13x = 51,711.09 × 21,554.21
  4. Step 4: Simplify right side
    37,470.13x = 1,114,591,693.19
  5. Step 5: Solve for x
    x = 1,114,591,693.19/37,470.13
  6. Step 6: Final answer
    x = 29,746.14

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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.