Home / 29,152.31-40,236.57-18,539.87

Finding the Fourth Proportional to 29,152.31, 40,236.57 and 18,539.87

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Solution

The fourth proportional to 29,152.31, 40,236.57 and 18,539.87 is: 25,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,152.31 : 40,236.57 = 18,539.87 : x
  2. Step 2: Convert to fraction form
    29,152.31/40,236.57 = 18,539.87/x
  3. Step 3: Cross multiply
    29,152.31x = 40,236.57 × 18,539.87
  4. Step 4: Simplify right side
    29,152.31x = 745,980,777.05
  5. Step 5: Solve for x
    x = 745,980,777.05/29,152.31
  6. Step 6: Final answer
    x = 25,589.08

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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.