Home / 32,787.18-45,250.45-18,637.29

Finding the Fourth Proportional to 32,787.18, 45,250.45 and 18,637.29

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Solution

The fourth proportional to 32,787.18, 45,250.45 and 18,637.29 is: 25,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,787.18 : 45,250.45 = 18,637.29 : x
  2. Step 2: Convert to fraction form
    32,787.18/45,250.45 = 18,637.29/x
  3. Step 3: Cross multiply
    32,787.18x = 45,250.45 × 18,637.29
  4. Step 4: Simplify right side
    32,787.18x = 843,345,712.69
  5. Step 5: Solve for x
    x = 843,345,712.69/32,787.18
  6. Step 6: Final answer
    x = 25,721.81

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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.