Home / 29,246.49-40,360.21-15,817.77

Finding the Fourth Proportional to 29,246.49, 40,360.21 and 15,817.77

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Solution

The fourth proportional to 29,246.49, 40,360.21 and 15,817.77 is: 21,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,246.49 : 40,360.21 = 15,817.77 : x
  2. Step 2: Convert to fraction form
    29,246.49/40,360.21 = 15,817.77/x
  3. Step 3: Cross multiply
    29,246.49x = 40,360.21 × 15,817.77
  4. Step 4: Simplify right side
    29,246.49x = 638,408,479.39
  5. Step 5: Solve for x
    x = 638,408,479.39/29,246.49
  6. Step 6: Final answer
    x = 21,828.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.