Home / 35,743.16-49,331.90-20,633.70

Finding the Fourth Proportional to 35,743.16, 49,331.90 and 20,633.70

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Solution

The fourth proportional to 35,743.16, 49,331.90 and 20,633.70 is: 28,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,743.16 : 49,331.90 = 20,633.70 : x
  2. Step 2: Convert to fraction form
    35,743.16/49,331.90 = 20,633.70/x
  3. Step 3: Cross multiply
    35,743.16x = 49,331.90 × 20,633.70
  4. Step 4: Simplify right side
    35,743.16x = 1,017,899,625.03
  5. Step 5: Solve for x
    x = 1,017,899,625.03/35,743.16
  6. Step 6: Final answer
    x = 28,478.17

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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.