Home / 35,756.64-49,340.16-19,841.76

Finding the Fourth Proportional to 35,756.64, 49,340.16 and 19,841.76

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Solution

The fourth proportional to 35,756.64, 49,340.16 and 19,841.76 is: 27,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.64 : 49,340.16 = 19,841.76 : x
  2. Step 2: Convert to fraction form
    35,756.64/49,340.16 = 19,841.76/x
  3. Step 3: Cross multiply
    35,756.64x = 49,340.16 × 19,841.76
  4. Step 4: Simplify right side
    35,756.64x = 978,995,613.08
  5. Step 5: Solve for x
    x = 978,995,613.08/35,756.64
  6. Step 6: Final answer
    x = 27,379.41

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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.