Home / 47,756.61-71,631.27-19,669.46

Finding the Fourth Proportional to 47,756.61, 71,631.27 and 19,669.46

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Solution

The fourth proportional to 47,756.61, 71,631.27 and 19,669.46 is: 29,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,756.61 : 71,631.27 = 19,669.46 : x
  2. Step 2: Convert to fraction form
    47,756.61/71,631.27 = 19,669.46/x
  3. Step 3: Cross multiply
    47,756.61x = 71,631.27 × 19,669.46
  4. Step 4: Simplify right side
    47,756.61x = 1,408,948,041.86
  5. Step 5: Solve for x
    x = 1,408,948,041.86/47,756.61
  6. Step 6: Final answer
    x = 29,502.68

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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.