Home / 35,428.36-48,837.72-29,129.80

Finding the Fourth Proportional to 35,428.36, 48,837.72 and 29,129.80

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Solution

The fourth proportional to 35,428.36, 48,837.72 and 29,129.80 is: 40,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.36 : 48,837.72 = 29,129.80 : x
  2. Step 2: Convert to fraction form
    35,428.36/48,837.72 = 29,129.80/x
  3. Step 3: Cross multiply
    35,428.36x = 48,837.72 × 29,129.80
  4. Step 4: Simplify right side
    35,428.36x = 1,422,633,016.06
  5. Step 5: Solve for x
    x = 1,422,633,016.06/35,428.36
  6. Step 6: Final answer
    x = 40,155.20

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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.