Home / 47,311.19-70,966.79-19,246.51

Finding the Fourth Proportional to 47,311.19, 70,966.79 and 19,246.51

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Solution

The fourth proportional to 47,311.19, 70,966.79 and 19,246.51 is: 28,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,311.19 : 70,966.79 = 19,246.51 : x
  2. Step 2: Convert to fraction form
    47,311.19/70,966.79 = 19,246.51/x
  3. Step 3: Cross multiply
    47,311.19x = 70,966.79 × 19,246.51
  4. Step 4: Simplify right side
    47,311.19x = 1,365,863,081.52
  5. Step 5: Solve for x
    x = 1,365,863,081.52/47,311.19
  6. Step 6: Final answer
    x = 28,869.77

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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.