Home / 32,877.90-45,355.23-20,611.08

Finding the Fourth Proportional to 32,877.90, 45,355.23 and 20,611.08

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Solution

The fourth proportional to 32,877.90, 45,355.23 and 20,611.08 is: 28,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,877.90 : 45,355.23 = 20,611.08 : x
  2. Step 2: Convert to fraction form
    32,877.90/45,355.23 = 20,611.08/x
  3. Step 3: Cross multiply
    32,877.90x = 45,355.23 × 20,611.08
  4. Step 4: Simplify right side
    32,877.90x = 934,820,273.95
  5. Step 5: Solve for x
    x = 934,820,273.95/32,877.90
  6. Step 6: Final answer
    x = 28,433.09

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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.