Home / 67,346.94-100,998.54-31,802.76

Finding the Fourth Proportional to 67,346.94, 100,998.54 and 31,802.76

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Solution

The fourth proportional to 67,346.94, 100,998.54 and 31,802.76 is: 47,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,346.94 : 100,998.54 = 31,802.76 : x
  2. Step 2: Convert to fraction form
    67,346.94/100,998.54 = 31,802.76/x
  3. Step 3: Cross multiply
    67,346.94x = 100,998.54 × 31,802.76
  4. Step 4: Simplify right side
    67,346.94x = 3,212,032,327.97
  5. Step 5: Solve for x
    x = 3,212,032,327.97/67,346.94
  6. Step 6: Final answer
    x = 47,693.81

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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.