Home / 33,513.16-46,269.80-20,779.86

Finding the Fourth Proportional to 33,513.16, 46,269.80 and 20,779.86

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Solution

The fourth proportional to 33,513.16, 46,269.80 and 20,779.86 is: 28,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,513.16 : 46,269.80 = 20,779.86 : x
  2. Step 2: Convert to fraction form
    33,513.16/46,269.80 = 20,779.86/x
  3. Step 3: Cross multiply
    33,513.16x = 46,269.80 × 20,779.86
  4. Step 4: Simplify right side
    33,513.16x = 961,479,966.23
  5. Step 5: Solve for x
    x = 961,479,966.23/33,513.16
  6. Step 6: Final answer
    x = 28,689.62

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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.