Home / 61,037.84-91,521.48-18,906.68

Finding the Fourth Proportional to 61,037.84, 91,521.48 and 18,906.68

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Solution

The fourth proportional to 61,037.84, 91,521.48 and 18,906.68 is: 28,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,037.84 : 91,521.48 = 18,906.68 : x
  2. Step 2: Convert to fraction form
    61,037.84/91,521.48 = 18,906.68/x
  3. Step 3: Cross multiply
    61,037.84x = 91,521.48 × 18,906.68
  4. Step 4: Simplify right side
    61,037.84x = 1,730,367,335.49
  5. Step 5: Solve for x
    x = 1,730,367,335.49/61,037.84
  6. Step 6: Final answer
    x = 28,349.09

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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.