Home / 37,278.33-51,443.07-21,148.59

Finding the Fourth Proportional to 37,278.33, 51,443.07 and 21,148.59

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Solution

The fourth proportional to 37,278.33, 51,443.07 and 21,148.59 is: 29,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.33 : 51,443.07 = 21,148.59 : x
  2. Step 2: Convert to fraction form
    37,278.33/51,443.07 = 21,148.59/x
  3. Step 3: Cross multiply
    37,278.33x = 51,443.07 × 21,148.59
  4. Step 4: Simplify right side
    37,278.33x = 1,087,948,395.77
  5. Step 5: Solve for x
    x = 1,087,948,395.77/37,278.33
  6. Step 6: Final answer
    x = 29,184.47

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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.