Home / 37,587.39-51,869.25-21,455.53

Finding the Fourth Proportional to 37,587.39, 51,869.25 and 21,455.53

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Solution

The fourth proportional to 37,587.39, 51,869.25 and 21,455.53 is: 29,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,587.39 : 51,869.25 = 21,455.53 : x
  2. Step 2: Convert to fraction form
    37,587.39/51,869.25 = 21,455.53/x
  3. Step 3: Cross multiply
    37,587.39x = 51,869.25 × 21,455.53
  4. Step 4: Simplify right side
    37,587.39x = 1,112,882,249.45
  5. Step 5: Solve for x
    x = 1,112,882,249.45/37,587.39
  6. Step 6: Final answer
    x = 29,607.86

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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.