Home / 37,587.74-51,870.39-21,672.86

Finding the Fourth Proportional to 37,587.74, 51,870.39 and 21,672.86

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Solution

The fourth proportional to 37,587.74, 51,870.39 and 21,672.86 is: 29,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,587.74 : 51,870.39 = 21,672.86 : x
  2. Step 2: Convert to fraction form
    37,587.74/51,870.39 = 21,672.86/x
  3. Step 3: Cross multiply
    37,587.74x = 51,870.39 × 21,672.86
  4. Step 4: Simplify right side
    37,587.74x = 1,124,179,700.62
  5. Step 5: Solve for x
    x = 1,124,179,700.62/37,587.74
  6. Step 6: Final answer
    x = 29,908.15

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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.