Home / 33,866.78-46,741.50-20,439.95

Finding the Fourth Proportional to 33,866.78, 46,741.50 and 20,439.95

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Solution

The fourth proportional to 33,866.78, 46,741.50 and 20,439.95 is: 28,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,866.78 : 46,741.50 = 20,439.95 : x
  2. Step 2: Convert to fraction form
    33,866.78/46,741.50 = 20,439.95/x
  3. Step 3: Cross multiply
    33,866.78x = 46,741.50 × 20,439.95
  4. Step 4: Simplify right side
    33,866.78x = 955,393,689.22
  5. Step 5: Solve for x
    x = 955,393,689.22/33,866.78
  6. Step 6: Final answer
    x = 28,210.35

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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.