Home / 40,221.90-60,252.66-31,415.58

Finding the Fourth Proportional to 40,221.90, 60,252.66 and 31,415.58

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Solution

The fourth proportional to 40,221.90, 60,252.66 and 31,415.58 is: 47,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.90 : 60,252.66 = 31,415.58 : x
  2. Step 2: Convert to fraction form
    40,221.90/60,252.66 = 31,415.58/x
  3. Step 3: Cross multiply
    40,221.90x = 60,252.66 × 31,415.58
  4. Step 4: Simplify right side
    40,221.90x = 1,892,872,260.44
  5. Step 5: Solve for x
    x = 1,892,872,260.44/40,221.90
  6. Step 6: Final answer
    x = 47,060.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.