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Finding the Fourth Proportional to 60,885.68, 84,018.12 and 34,026.80

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Solution

The fourth proportional to 60,885.68, 84,018.12 and 34,026.80 is: 46,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,885.68 : 84,018.12 = 34,026.80 : x
  2. Step 2: Convert to fraction form
    60,885.68/84,018.12 = 34,026.80/x
  3. Step 3: Cross multiply
    60,885.68x = 84,018.12 × 34,026.80
  4. Step 4: Simplify right side
    60,885.68x = 2,858,867,765.62
  5. Step 5: Solve for x
    x = 2,858,867,765.62/60,885.68
  6. Step 6: Final answer
    x = 46,954.68

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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.