Home / 35,774.66-49,366.57-19,857.86

Finding the Fourth Proportional to 35,774.66, 49,366.57 and 19,857.86

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Solution

The fourth proportional to 35,774.66, 49,366.57 and 19,857.86 is: 27,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,774.66 : 49,366.57 = 19,857.86 : x
  2. Step 2: Convert to fraction form
    35,774.66/49,366.57 = 19,857.86/x
  3. Step 3: Cross multiply
    35,774.66x = 49,366.57 × 19,857.86
  4. Step 4: Simplify right side
    35,774.66x = 980,314,435.74
  5. Step 5: Solve for x
    x = 980,314,435.74/35,774.66
  6. Step 6: Final answer
    x = 27,402.48

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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.