Home / 35,913.13-49,561.46-19,781.13

Finding the Fourth Proportional to 35,913.13, 49,561.46 and 19,781.13

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Solution

The fourth proportional to 35,913.13, 49,561.46 and 19,781.13 is: 27,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,913.13 : 49,561.46 = 19,781.13 : x
  2. Step 2: Convert to fraction form
    35,913.13/49,561.46 = 19,781.13/x
  3. Step 3: Cross multiply
    35,913.13x = 49,561.46 × 19,781.13
  4. Step 4: Simplify right side
    35,913.13x = 980,381,683.25
  5. Step 5: Solve for x
    x = 980,381,683.25/35,913.13
  6. Step 6: Final answer
    x = 27,298.70

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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.