Home / 35,919.25-49,565.01-20,005.18

Finding the Fourth Proportional to 35,919.25, 49,565.01 and 20,005.18

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Solution

The fourth proportional to 35,919.25, 49,565.01 and 20,005.18 is: 27,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,919.25 : 49,565.01 = 20,005.18 : x
  2. Step 2: Convert to fraction form
    35,919.25/49,565.01 = 20,005.18/x
  3. Step 3: Cross multiply
    35,919.25x = 49,565.01 × 20,005.18
  4. Step 4: Simplify right side
    35,919.25x = 991,556,897.86
  5. Step 5: Solve for x
    x = 991,556,897.86/35,919.25
  6. Step 6: Final answer
    x = 27,605.17

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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.