Home / 48,099.84-66,355.20-31,326.72

Finding the Fourth Proportional to 48,099.84, 66,355.20 and 31,326.72

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Solution

The fourth proportional to 48,099.84, 66,355.20 and 31,326.72 is: 43,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,099.84 : 66,355.20 = 31,326.72 : x
  2. Step 2: Convert to fraction form
    48,099.84/66,355.20 = 31,326.72/x
  3. Step 3: Cross multiply
    48,099.84x = 66,355.20 × 31,326.72
  4. Step 4: Simplify right side
    48,099.84x = 2,078,690,770.94
  5. Step 5: Solve for x
    x = 2,078,690,770.94/48,099.84
  6. Step 6: Final answer
    x = 43,216.17

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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.