Home / 48,438.31-72,655.45-16,855.60

Finding the Fourth Proportional to 48,438.31, 72,655.45 and 16,855.60

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Solution

The fourth proportional to 48,438.31, 72,655.45 and 16,855.60 is: 25,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,438.31 : 72,655.45 = 16,855.60 : x
  2. Step 2: Convert to fraction form
    48,438.31/72,655.45 = 16,855.60/x
  3. Step 3: Cross multiply
    48,438.31x = 72,655.45 × 16,855.60
  4. Step 4: Simplify right side
    48,438.31x = 1,224,651,203.02
  5. Step 5: Solve for x
    x = 1,224,651,203.02/48,438.31
  6. Step 6: Final answer
    x = 25,282.70

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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.