Home / 48,886.76-73,263.80-20,771.56

Finding the Fourth Proportional to 48,886.76, 73,263.80 and 20,771.56

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Solution

The fourth proportional to 48,886.76, 73,263.80 and 20,771.56 is: 31,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,886.76 : 73,263.80 = 20,771.56 : x
  2. Step 2: Convert to fraction form
    48,886.76/73,263.80 = 20,771.56/x
  3. Step 3: Cross multiply
    48,886.76x = 73,263.80 × 20,771.56
  4. Step 4: Simplify right side
    48,886.76x = 1,521,803,417.53
  5. Step 5: Solve for x
    x = 1,521,803,417.53/48,886.76
  6. Step 6: Final answer
    x = 31,129.15

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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.