Home / 31,488.96-47,193.12-14,812.08

Finding the Fourth Proportional to 31,488.96, 47,193.12 and 14,812.08

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Solution

The fourth proportional to 31,488.96, 47,193.12 and 14,812.08 is: 22,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.96 : 47,193.12 = 14,812.08 : x
  2. Step 2: Convert to fraction form
    31,488.96/47,193.12 = 14,812.08/x
  3. Step 3: Cross multiply
    31,488.96x = 47,193.12 × 14,812.08
  4. Step 4: Simplify right side
    31,488.96x = 699,028,268.89
  5. Step 5: Solve for x
    x = 699,028,268.89/31,488.96
  6. Step 6: Final answer
    x = 22,199.15

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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.