Home / 40,018.25-60,037.76-21,282.88

Finding the Fourth Proportional to 40,018.25, 60,037.76 and 21,282.88

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Solution

The fourth proportional to 40,018.25, 60,037.76 and 21,282.88 is: 31,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.25 : 60,037.76 = 21,282.88 : x
  2. Step 2: Convert to fraction form
    40,018.25/60,037.76 = 21,282.88/x
  3. Step 3: Cross multiply
    40,018.25x = 60,037.76 × 21,282.88
  4. Step 4: Simplify right side
    40,018.25x = 1,277,776,538.44
  5. Step 5: Solve for x
    x = 1,277,776,538.44/40,018.25
  6. Step 6: Final answer
    x = 31,929.84

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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.