Home / 46,491-69,767.22-21,868.92

Finding the Fourth Proportional to 46,491, 69,767.22 and 21,868.92

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Solution

The fourth proportional to 46,491, 69,767.22 and 21,868.92 is: 32,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,491 : 69,767.22 = 21,868.92 : x
  2. Step 2: Convert to fraction form
    46,491/69,767.22 = 21,868.92/x
  3. Step 3: Cross multiply
    46,491x = 69,767.22 × 21,868.92
  4. Step 4: Simplify right side
    46,491x = 1,525,733,752.80
  5. Step 5: Solve for x
    x = 1,525,733,752.80/46,491
  6. Step 6: Final answer
    x = 32,817.83

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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.