Home / 48,441.51-72,662.13-13,380.93

Finding the Fourth Proportional to 48,441.51, 72,662.13 and 13,380.93

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Solution

The fourth proportional to 48,441.51, 72,662.13 and 13,380.93 is: 20,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,441.51 : 72,662.13 = 13,380.93 : x
  2. Step 2: Convert to fraction form
    48,441.51/72,662.13 = 13,380.93/x
  3. Step 3: Cross multiply
    48,441.51x = 72,662.13 × 13,380.93
  4. Step 4: Simplify right side
    48,441.51x = 972,286,875.18
  5. Step 5: Solve for x
    x = 972,286,875.18/48,441.51
  6. Step 6: Final answer
    x = 20,071.36

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1.5x scale

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.