Home / 47,431.68-71,155.20-14,592

Finding the Fourth Proportional to 47,431.68, 71,155.20 and 14,592

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Solution

The fourth proportional to 47,431.68, 71,155.20 and 14,592 is: 21,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,431.68 : 71,155.20 = 14,592 : x
  2. Step 2: Convert to fraction form
    47,431.68/71,155.20 = 14,592/x
  3. Step 3: Cross multiply
    47,431.68x = 71,155.20 × 14,592
  4. Step 4: Simplify right side
    47,431.68x = 1,038,296,678.40
  5. Step 5: Solve for x
    x = 1,038,296,678.40/47,431.68
  6. Step 6: Final answer
    x = 21,890.36

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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.