Home / 35,979.87-49,652.51-20,065.35

Finding the Fourth Proportional to 35,979.87, 49,652.51 and 20,065.35

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Solution

The fourth proportional to 35,979.87, 49,652.51 and 20,065.35 is: 27,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.87 : 49,652.51 = 20,065.35 : x
  2. Step 2: Convert to fraction form
    35,979.87/49,652.51 = 20,065.35/x
  3. Step 3: Cross multiply
    35,979.87x = 49,652.51 × 20,065.35
  4. Step 4: Simplify right side
    35,979.87x = 996,294,991.53
  5. Step 5: Solve for x
    x = 996,294,991.53/35,979.87
  6. Step 6: Final answer
    x = 27,690.34

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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.