Home / 40,902.88-56,432.40-33,336.21

Finding the Fourth Proportional to 40,902.88, 56,432.40 and 33,336.21

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Solution

The fourth proportional to 40,902.88, 56,432.40 and 33,336.21 is: 45,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,902.88 : 56,432.40 = 33,336.21 : x
  2. Step 2: Convert to fraction form
    40,902.88/56,432.40 = 33,336.21/x
  3. Step 3: Cross multiply
    40,902.88x = 56,432.40 × 33,336.21
  4. Step 4: Simplify right side
    40,902.88x = 1,881,242,387.66
  5. Step 5: Solve for x
    x = 1,881,242,387.66/40,902.88
  6. Step 6: Final answer
    x = 45,992.91

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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.