Home / 31,972.48-47,966.32-14,442.32

Finding the Fourth Proportional to 31,972.48, 47,966.32 and 14,442.32

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Solution

The fourth proportional to 31,972.48, 47,966.32 and 14,442.32 is: 21,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.48 : 47,966.32 = 14,442.32 : x
  2. Step 2: Convert to fraction form
    31,972.48/47,966.32 = 14,442.32/x
  3. Step 3: Cross multiply
    31,972.48x = 47,966.32 × 14,442.32
  4. Step 4: Simplify right side
    31,972.48x = 692,744,942.66
  5. Step 5: Solve for x
    x = 692,744,942.66/31,972.48
  6. Step 6: Final answer
    x = 21,666.91

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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.