Home / 35,621.86-49,156.69-19,489.09

Finding the Fourth Proportional to 35,621.86, 49,156.69 and 19,489.09

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Solution

The fourth proportional to 35,621.86, 49,156.69 and 19,489.09 is: 26,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.86 : 49,156.69 = 19,489.09 : x
  2. Step 2: Convert to fraction form
    35,621.86/49,156.69 = 19,489.09/x
  3. Step 3: Cross multiply
    35,621.86x = 49,156.69 × 19,489.09
  4. Step 4: Simplify right side
    35,621.86x = 958,019,155.51
  5. Step 5: Solve for x
    x = 958,019,155.51/35,621.86
  6. Step 6: Final answer
    x = 26,894.14

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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.