Home / 33,830.87-46,603.15-28,778.90

Finding the Fourth Proportional to 33,830.87, 46,603.15 and 28,778.90

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Solution

The fourth proportional to 33,830.87, 46,603.15 and 28,778.90 is: 39,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,830.87 : 46,603.15 = 28,778.90 : x
  2. Step 2: Convert to fraction form
    33,830.87/46,603.15 = 28,778.90/x
  3. Step 3: Cross multiply
    33,830.87x = 46,603.15 × 28,778.90
  4. Step 4: Simplify right side
    33,830.87x = 1,341,187,088.57
  5. Step 5: Solve for x
    x = 1,341,187,088.57/33,830.87
  6. Step 6: Final answer
    x = 39,643.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.