Home / 35,740.82-49,329.34-20,643.24

Finding the Fourth Proportional to 35,740.82, 49,329.34 and 20,643.24

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Solution

The fourth proportional to 35,740.82, 49,329.34 and 20,643.24 is: 28,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,740.82 : 49,329.34 = 20,643.24 : x
  2. Step 2: Convert to fraction form
    35,740.82/49,329.34 = 20,643.24/x
  3. Step 3: Cross multiply
    35,740.82x = 49,329.34 × 20,643.24
  4. Step 4: Simplify right side
    35,740.82x = 1,018,317,404.66
  5. Step 5: Solve for x
    x = 1,018,317,404.66/35,740.82
  6. Step 6: Final answer
    x = 28,491.72

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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.