Home / 35,920.80-49,570.65-20,006.64

Finding the Fourth Proportional to 35,920.80, 49,570.65 and 20,006.64

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Solution

The fourth proportional to 35,920.80, 49,570.65 and 20,006.64 is: 27,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.80 : 49,570.65 = 20,006.64 : x
  2. Step 2: Convert to fraction form
    35,920.80/49,570.65 = 20,006.64/x
  3. Step 3: Cross multiply
    35,920.80x = 49,570.65 × 20,006.64
  4. Step 4: Simplify right side
    35,920.80x = 991,742,149.12
  5. Step 5: Solve for x
    x = 991,742,149.12/35,920.80
  6. Step 6: Final answer
    x = 27,609.13

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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.