Home / 31,169.71-46,555.67-28,203.59

Finding the Fourth Proportional to 31,169.71, 46,555.67 and 28,203.59

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Solution

The fourth proportional to 31,169.71, 46,555.67 and 28,203.59 is: 42,125.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169.71 : 46,555.67 = 28,203.59 : x
  2. Step 2: Convert to fraction form
    31,169.71/46,555.67 = 28,203.59/x
  3. Step 3: Cross multiply
    31,169.71x = 46,555.67 × 28,203.59
  4. Step 4: Simplify right side
    31,169.71x = 1,313,037,136.43
  5. Step 5: Solve for x
    x = 1,313,037,136.43/31,169.71
  6. Step 6: Final answer
    x = 42,125.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.