Home / 32,877.88-45,371.28-18,730.42

Finding the Fourth Proportional to 32,877.88, 45,371.28 and 18,730.42

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Solution

The fourth proportional to 32,877.88, 45,371.28 and 18,730.42 is: 25,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,877.88 : 45,371.28 = 18,730.42 : x
  2. Step 2: Convert to fraction form
    32,877.88/45,371.28 = 18,730.42/x
  3. Step 3: Cross multiply
    32,877.88x = 45,371.28 × 18,730.42
  4. Step 4: Simplify right side
    32,877.88x = 849,823,130.34
  5. Step 5: Solve for x
    x = 849,823,130.34/32,877.88
  6. Step 6: Final answer
    x = 25,847.87

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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.