Home / 67,838.58-93,615.21-40,971.42

Finding the Fourth Proportional to 67,838.58, 93,615.21 and 40,971.42

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Solution

The fourth proportional to 67,838.58, 93,615.21 and 40,971.42 is: 56,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,838.58 : 93,615.21 = 40,971.42 : x
  2. Step 2: Convert to fraction form
    67,838.58/93,615.21 = 40,971.42/x
  3. Step 3: Cross multiply
    67,838.58x = 93,615.21 × 40,971.42
  4. Step 4: Simplify right side
    67,838.58x = 3,835,548,087.30
  5. Step 5: Solve for x
    x = 3,835,548,087.30/67,838.58
  6. Step 6: Final answer
    x = 56,539.33

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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.