Home / 35,268.79-48,669.06-20,159.46

Finding the Fourth Proportional to 35,268.79, 48,669.06 and 20,159.46

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Solution

The fourth proportional to 35,268.79, 48,669.06 and 20,159.46 is: 27,818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,268.79 : 48,669.06 = 20,159.46 : x
  2. Step 2: Convert to fraction form
    35,268.79/48,669.06 = 20,159.46/x
  3. Step 3: Cross multiply
    35,268.79x = 48,669.06 × 20,159.46
  4. Step 4: Simplify right side
    35,268.79x = 981,141,968.31
  5. Step 5: Solve for x
    x = 981,141,968.31/35,268.79
  6. Step 6: Final answer
    x = 27,818.99

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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.