Home / 29,342.36-40,492.34-15,913.56

Finding the Fourth Proportional to 29,342.36, 40,492.34 and 15,913.56

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Solution

The fourth proportional to 29,342.36, 40,492.34 and 15,913.56 is: 21,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.36 : 40,492.34 = 15,913.56 : x
  2. Step 2: Convert to fraction form
    29,342.36/40,492.34 = 15,913.56/x
  3. Step 3: Cross multiply
    29,342.36x = 40,492.34 × 15,913.56
  4. Step 4: Simplify right side
    29,342.36x = 644,377,282.13
  5. Step 5: Solve for x
    x = 644,377,282.13/29,342.36
  6. Step 6: Final answer
    x = 21,960.65

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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.