Home / 31,306.74-46,945.08-14,652.78

Finding the Fourth Proportional to 31,306.74, 46,945.08 and 14,652.78

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Solution

The fourth proportional to 31,306.74, 46,945.08 and 14,652.78 is: 21,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.74 : 46,945.08 = 14,652.78 : x
  2. Step 2: Convert to fraction form
    31,306.74/46,945.08 = 14,652.78/x
  3. Step 3: Cross multiply
    31,306.74x = 46,945.08 × 14,652.78
  4. Step 4: Simplify right side
    31,306.74x = 687,875,929.32
  5. Step 5: Solve for x
    x = 687,875,929.32/31,306.74
  6. Step 6: Final answer
    x = 21,972.14

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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.