Home / 35,448.14-48,918.02-20,134.58

Finding the Fourth Proportional to 35,448.14, 48,918.02 and 20,134.58

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Solution

The fourth proportional to 35,448.14, 48,918.02 and 20,134.58 is: 27,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448.14 : 48,918.02 = 20,134.58 : x
  2. Step 2: Convert to fraction form
    35,448.14/48,918.02 = 20,134.58/x
  3. Step 3: Cross multiply
    35,448.14x = 48,918.02 × 20,134.58
  4. Step 4: Simplify right side
    35,448.14x = 984,943,959.76
  5. Step 5: Solve for x
    x = 984,943,959.76/35,448.14
  6. Step 6: Final answer
    x = 27,785.49

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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.