Home / 47,311.31-70,966.98-19,246.64

Finding the Fourth Proportional to 47,311.31, 70,966.98 and 19,246.64

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Solution

The fourth proportional to 47,311.31, 70,966.98 and 19,246.64 is: 28,869.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,311.31 : 70,966.98 = 19,246.64 : x
  2. Step 2: Convert to fraction form
    47,311.31/70,966.98 = 19,246.64/x
  3. Step 3: Cross multiply
    47,311.31x = 70,966.98 × 19,246.64
  4. Step 4: Simplify right side
    47,311.31x = 1,365,875,561.11
  5. Step 5: Solve for x
    x = 1,365,875,561.11/47,311.31
  6. Step 6: Final answer
    x = 28,869.96

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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.