Home / 31,824.90-47,752.83-12,848.76

Finding the Fourth Proportional to 31,824.90, 47,752.83 and 12,848.76

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Solution

The fourth proportional to 31,824.90, 47,752.83 and 12,848.76 is: 19,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,824.90 : 47,752.83 = 12,848.76 : x
  2. Step 2: Convert to fraction form
    31,824.90/47,752.83 = 12,848.76/x
  3. Step 3: Cross multiply
    31,824.90x = 47,752.83 × 12,848.76
  4. Step 4: Simplify right side
    31,824.90x = 613,564,651.99
  5. Step 5: Solve for x
    x = 613,564,651.99/31,824.90
  6. Step 6: Final answer
    x = 19,279.39

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1.5x scale

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.