Home / 47,688.68-65,808.03-26,177.90

Finding the Fourth Proportional to 47,688.68, 65,808.03 and 26,177.90

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Solution

The fourth proportional to 47,688.68, 65,808.03 and 26,177.90 is: 36,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,688.68 : 65,808.03 = 26,177.90 : x
  2. Step 2: Convert to fraction form
    47,688.68/65,808.03 = 26,177.90/x
  3. Step 3: Cross multiply
    47,688.68x = 65,808.03 × 26,177.90
  4. Step 4: Simplify right side
    47,688.68x = 1,722,716,028.54
  5. Step 5: Solve for x
    x = 1,722,716,028.54/47,688.68
  6. Step 6: Final answer
    x = 36,124.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.