Home / 48,659.34-72,992.08-20,574.14

Finding the Fourth Proportional to 48,659.34, 72,992.08 and 20,574.14

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Solution

The fourth proportional to 48,659.34, 72,992.08 and 20,574.14 is: 30,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,659.34 : 72,992.08 = 20,574.14 : x
  2. Step 2: Convert to fraction form
    48,659.34/72,992.08 = 20,574.14/x
  3. Step 3: Cross multiply
    48,659.34x = 72,992.08 × 20,574.14
  4. Step 4: Simplify right side
    48,659.34x = 1,501,749,272.81
  5. Step 5: Solve for x
    x = 1,501,749,272.81/48,659.34
  6. Step 6: Final answer
    x = 30,862.51

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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.