Home / 47,689.47-71,534.70-14,409.81

Finding the Fourth Proportional to 47,689.47, 71,534.70 and 14,409.81

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Solution

The fourth proportional to 47,689.47, 71,534.70 and 14,409.81 is: 21,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.47 : 71,534.70 = 14,409.81 : x
  2. Step 2: Convert to fraction form
    47,689.47/71,534.70 = 14,409.81/x
  3. Step 3: Cross multiply
    47,689.47x = 71,534.70 × 14,409.81
  4. Step 4: Simplify right side
    47,689.47x = 1,030,801,435.41
  5. Step 5: Solve for x
    x = 1,030,801,435.41/47,689.47
  6. Step 6: Final answer
    x = 21,614.86

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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.