Home / 31,254.63-46,881.95-13,724.61

Finding the Fourth Proportional to 31,254.63, 46,881.95 and 13,724.61

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Solution

The fourth proportional to 31,254.63, 46,881.95 and 13,724.61 is: 20,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.63 : 46,881.95 = 13,724.61 : x
  2. Step 2: Convert to fraction form
    31,254.63/46,881.95 = 13,724.61/x
  3. Step 3: Cross multiply
    31,254.63x = 46,881.95 × 13,724.61
  4. Step 4: Simplify right side
    31,254.63x = 643,436,479.79
  5. Step 5: Solve for x
    x = 643,436,479.79/31,254.63
  6. Step 6: Final answer
    x = 20,586.92

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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.