Home / 35,834.47-49,451.20-19,918.58

Finding the Fourth Proportional to 35,834.47, 49,451.20 and 19,918.58

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Solution

The fourth proportional to 35,834.47, 49,451.20 and 19,918.58 is: 27,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,834.47 : 49,451.20 = 19,918.58 : x
  2. Step 2: Convert to fraction form
    35,834.47/49,451.20 = 19,918.58/x
  3. Step 3: Cross multiply
    35,834.47x = 49,451.20 × 19,918.58
  4. Step 4: Simplify right side
    35,834.47x = 984,997,386.24
  5. Step 5: Solve for x
    x = 984,997,386.24/35,834.47
  6. Step 6: Final answer
    x = 27,487.43

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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.