Home / 29,643.36-40,908.65-16,215.41

Finding the Fourth Proportional to 29,643.36, 40,908.65 and 16,215.41

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Solution

The fourth proportional to 29,643.36, 40,908.65 and 16,215.41 is: 22,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643.36 : 40,908.65 = 16,215.41 : x
  2. Step 2: Convert to fraction form
    29,643.36/40,908.65 = 16,215.41/x
  3. Step 3: Cross multiply
    29,643.36x = 40,908.65 × 16,215.41
  4. Step 4: Simplify right side
    29,643.36x = 663,350,246.68
  5. Step 5: Solve for x
    x = 663,350,246.68/29,643.36
  6. Step 6: Final answer
    x = 22,377.70

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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.