Home / 29,400.14-40,572.32-15,971.62

Finding the Fourth Proportional to 29,400.14, 40,572.32 and 15,971.62

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Solution

The fourth proportional to 29,400.14, 40,572.32 and 15,971.62 is: 22,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,400.14 : 40,572.32 = 15,971.62 : x
  2. Step 2: Convert to fraction form
    29,400.14/40,572.32 = 15,971.62/x
  3. Step 3: Cross multiply
    29,400.14x = 40,572.32 × 15,971.62
  4. Step 4: Simplify right side
    29,400.14x = 648,005,677.56
  5. Step 5: Solve for x
    x = 648,005,677.56/29,400.14
  6. Step 6: Final answer
    x = 22,040.90

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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.