Home / 35,646.95-49,187.64-19,731.36

Finding the Fourth Proportional to 35,646.95, 49,187.64 and 19,731.36

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Solution

The fourth proportional to 35,646.95, 49,187.64 and 19,731.36 is: 27,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,646.95 : 49,187.64 = 19,731.36 : x
  2. Step 2: Convert to fraction form
    35,646.95/49,187.64 = 19,731.36/x
  3. Step 3: Cross multiply
    35,646.95x = 49,187.64 × 19,731.36
  4. Step 4: Simplify right side
    35,646.95x = 970,539,032.39
  5. Step 5: Solve for x
    x = 970,539,032.39/35,646.95
  6. Step 6: Final answer
    x = 27,226.43

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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.