Home / 29,541.86-40,771.68-18,787.75

Finding the Fourth Proportional to 29,541.86, 40,771.68 and 18,787.75

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Solution

The fourth proportional to 29,541.86, 40,771.68 and 18,787.75 is: 25,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,541.86 : 40,771.68 = 18,787.75 : x
  2. Step 2: Convert to fraction form
    29,541.86/40,771.68 = 18,787.75/x
  3. Step 3: Cross multiply
    29,541.86x = 40,771.68 × 18,787.75
  4. Step 4: Simplify right side
    29,541.86x = 766,007,927.06
  5. Step 5: Solve for x
    x = 766,007,927.06/29,541.86
  6. Step 6: Final answer
    x = 25,929.58

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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.