Home / 45,037.16-67,570.32-21,660.56

Finding the Fourth Proportional to 45,037.16, 67,570.32 and 21,660.56

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Solution

The fourth proportional to 45,037.16, 67,570.32 and 21,660.56 is: 32,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,037.16 : 67,570.32 = 21,660.56 : x
  2. Step 2: Convert to fraction form
    45,037.16/67,570.32 = 21,660.56/x
  3. Step 3: Cross multiply
    45,037.16x = 67,570.32 × 21,660.56
  4. Step 4: Simplify right side
    45,037.16x = 1,463,610,970.58
  5. Step 5: Solve for x
    x = 1,463,610,970.58/45,037.16
  6. Step 6: Final answer
    x = 32,497.85

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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.