Home / 35,618.78-49,154.45-19,703.16

Finding the Fourth Proportional to 35,618.78, 49,154.45 and 19,703.16

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Solution

The fourth proportional to 35,618.78, 49,154.45 and 19,703.16 is: 27,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618.78 : 49,154.45 = 19,703.16 : x
  2. Step 2: Convert to fraction form
    35,618.78/49,154.45 = 19,703.16/x
  3. Step 3: Cross multiply
    35,618.78x = 49,154.45 × 19,703.16
  4. Step 4: Simplify right side
    35,618.78x = 968,497,894.55
  5. Step 5: Solve for x
    x = 968,497,894.55/35,618.78
  6. Step 6: Final answer
    x = 27,190.65

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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.