Home / 48,531.96-72,789.84-13,475.16

Finding the Fourth Proportional to 48,531.96, 72,789.84 and 13,475.16

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Solution

The fourth proportional to 48,531.96, 72,789.84 and 13,475.16 is: 20,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,531.96 : 72,789.84 = 13,475.16 : x
  2. Step 2: Convert to fraction form
    48,531.96/72,789.84 = 13,475.16/x
  3. Step 3: Cross multiply
    48,531.96x = 72,789.84 × 13,475.16
  4. Step 4: Simplify right side
    48,531.96x = 980,854,740.37
  5. Step 5: Solve for x
    x = 980,854,740.37/48,531.96
  6. Step 6: Final answer
    x = 20,210.49

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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.