Home / 37,871.88-56,818.74-15,681.12

Finding the Fourth Proportional to 37,871.88, 56,818.74 and 15,681.12

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Solution

The fourth proportional to 37,871.88, 56,818.74 and 15,681.12 is: 23,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,871.88 : 56,818.74 = 15,681.12 : x
  2. Step 2: Convert to fraction form
    37,871.88/56,818.74 = 15,681.12/x
  3. Step 3: Cross multiply
    37,871.88x = 56,818.74 × 15,681.12
  4. Step 4: Simplify right side
    37,871.88x = 890,981,480.19
  5. Step 5: Solve for x
    x = 890,981,480.19/37,871.88
  6. Step 6: Final answer
    x = 23,526.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.