Home / 48,432.24-72,658.34-20,335.77

Finding the Fourth Proportional to 48,432.24, 72,658.34 and 20,335.77

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Solution

The fourth proportional to 48,432.24, 72,658.34 and 20,335.77 is: 30,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,432.24 : 72,658.34 = 20,335.77 : x
  2. Step 2: Convert to fraction form
    48,432.24/72,658.34 = 20,335.77/x
  3. Step 3: Cross multiply
    48,432.24x = 72,658.34 × 20,335.77
  4. Step 4: Simplify right side
    48,432.24x = 1,477,563,189.14
  5. Step 5: Solve for x
    x = 1,477,563,189.14/48,432.24
  6. Step 6: Final answer
    x = 30,507.84

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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.