Home / 31,574.52-47,372.58-14,056.56

Finding the Fourth Proportional to 31,574.52, 47,372.58 and 14,056.56

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Solution

The fourth proportional to 31,574.52, 47,372.58 and 14,056.56 is: 21,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.52 : 47,372.58 = 14,056.56 : x
  2. Step 2: Convert to fraction form
    31,574.52/47,372.58 = 14,056.56/x
  3. Step 3: Cross multiply
    31,574.52x = 47,372.58 × 14,056.56
  4. Step 4: Simplify right side
    31,574.52x = 665,895,513.12
  5. Step 5: Solve for x
    x = 665,895,513.12/31,574.52
  6. Step 6: Final answer
    x = 21,089.65

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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.