Home / 32,885.99-45,371.90-20,125.87

Finding the Fourth Proportional to 32,885.99, 45,371.90 and 20,125.87

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Solution

The fourth proportional to 32,885.99, 45,371.90 and 20,125.87 is: 27,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.99 : 45,371.90 = 20,125.87 : x
  2. Step 2: Convert to fraction form
    32,885.99/45,371.90 = 20,125.87/x
  3. Step 3: Cross multiply
    32,885.99x = 45,371.90 × 20,125.87
  4. Step 4: Simplify right side
    32,885.99x = 913,148,961.05
  5. Step 5: Solve for x
    x = 913,148,961.05/32,885.99
  6. Step 6: Final answer
    x = 27,767.11

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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.