Home / 31,248.46-43,117.74-17,819.98

Finding the Fourth Proportional to 31,248.46, 43,117.74 and 17,819.98

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Solution

The fourth proportional to 31,248.46, 43,117.74 and 17,819.98 is: 24,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.46 : 43,117.74 = 17,819.98 : x
  2. Step 2: Convert to fraction form
    31,248.46/43,117.74 = 17,819.98/x
  3. Step 3: Cross multiply
    31,248.46x = 43,117.74 × 17,819.98
  4. Step 4: Simplify right side
    31,248.46x = 768,357,264.45
  5. Step 5: Solve for x
    x = 768,357,264.45/31,248.46
  6. Step 6: Final answer
    x = 24,588.64

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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.