Home / 35,308.02-48,726.60-20,205.42

Finding the Fourth Proportional to 35,308.02, 48,726.60 and 20,205.42

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Solution

The fourth proportional to 35,308.02, 48,726.60 and 20,205.42 is: 27,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,308.02 : 48,726.60 = 20,205.42 : x
  2. Step 2: Convert to fraction form
    35,308.02/48,726.60 = 20,205.42/x
  3. Step 3: Cross multiply
    35,308.02x = 48,726.60 × 20,205.42
  4. Step 4: Simplify right side
    35,308.02x = 984,541,073.51
  5. Step 5: Solve for x
    x = 984,541,073.51/35,308.02
  6. Step 6: Final answer
    x = 27,884.35

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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.