Home / 31,281.51-46,933.29-20,793.18

Finding the Fourth Proportional to 31,281.51, 46,933.29 and 20,793.18

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Solution

The fourth proportional to 31,281.51, 46,933.29 and 20,793.18 is: 31,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281.51 : 46,933.29 = 20,793.18 : x
  2. Step 2: Convert to fraction form
    31,281.51/46,933.29 = 20,793.18/x
  3. Step 3: Cross multiply
    31,281.51x = 46,933.29 × 20,793.18
  4. Step 4: Simplify right side
    31,281.51x = 975,892,346.96
  5. Step 5: Solve for x
    x = 975,892,346.96/31,281.51
  6. Step 6: Final answer
    x = 31,197.10

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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.