Home / 61,200.32-91,805.04-31,599.68

Finding the Fourth Proportional to 61,200.32, 91,805.04 and 31,599.68

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Solution

The fourth proportional to 61,200.32, 91,805.04 and 31,599.68 is: 47,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,200.32 : 91,805.04 = 31,599.68 : x
  2. Step 2: Convert to fraction form
    61,200.32/91,805.04 = 31,599.68/x
  3. Step 3: Cross multiply
    61,200.32x = 91,805.04 × 31,599.68
  4. Step 4: Simplify right side
    61,200.32x = 2,901,009,886.39
  5. Step 5: Solve for x
    x = 2,901,009,886.39/61,200.32
  6. Step 6: Final answer
    x = 47,401.87

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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.