Home / 32,666.88-45,084.60-31,777.32

Finding the Fourth Proportional to 32,666.88, 45,084.60 and 31,777.32

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Solution

The fourth proportional to 32,666.88, 45,084.60 and 31,777.32 is: 43,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,666.88 : 45,084.60 = 31,777.32 : x
  2. Step 2: Convert to fraction form
    32,666.88/45,084.60 = 31,777.32/x
  3. Step 3: Cross multiply
    32,666.88x = 45,084.60 × 31,777.32
  4. Step 4: Simplify right side
    32,666.88x = 1,432,667,761.27
  5. Step 5: Solve for x
    x = 1,432,667,761.27/32,666.88
  6. Step 6: Final answer
    x = 43,856.89

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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.