Home / 37,582.74-51,851.30-21,438.45

Finding the Fourth Proportional to 37,582.74, 51,851.30 and 21,438.45

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Solution

The fourth proportional to 37,582.74, 51,851.30 and 21,438.45 is: 29,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,582.74 : 51,851.30 = 21,438.45 : x
  2. Step 2: Convert to fraction form
    37,582.74/51,851.30 = 21,438.45/x
  3. Step 3: Cross multiply
    37,582.74x = 51,851.30 × 21,438.45
  4. Step 4: Simplify right side
    37,582.74x = 1,111,611,502.49
  5. Step 5: Solve for x
    x = 1,111,611,502.49/37,582.74
  6. Step 6: Final answer
    x = 29,577.71

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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.