Home / 47,689.97-65,811.08-26,471.21

Finding the Fourth Proportional to 47,689.97, 65,811.08 and 26,471.21

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Solution

The fourth proportional to 47,689.97, 65,811.08 and 26,471.21 is: 36,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.97 : 65,811.08 = 26,471.21 : x
  2. Step 2: Convert to fraction form
    47,689.97/65,811.08 = 26,471.21/x
  3. Step 3: Cross multiply
    47,689.97x = 65,811.08 × 26,471.21
  4. Step 4: Simplify right side
    47,689.97x = 1,742,098,656.13
  5. Step 5: Solve for x
    x = 1,742,098,656.13/47,689.97
  6. Step 6: Final answer
    x = 36,529.67

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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.