Home / 35,517.79-49,011.93-20,410.48

Finding the Fourth Proportional to 35,517.79, 49,011.93 and 20,410.48

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Solution

The fourth proportional to 35,517.79, 49,011.93 and 20,410.48 is: 28,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,517.79 : 49,011.93 = 20,410.48 : x
  2. Step 2: Convert to fraction form
    35,517.79/49,011.93 = 20,410.48/x
  3. Step 3: Cross multiply
    35,517.79x = 49,011.93 × 20,410.48
  4. Step 4: Simplify right side
    35,517.79x = 1,000,357,017.03
  5. Step 5: Solve for x
    x = 1,000,357,017.03/35,517.79
  6. Step 6: Final answer
    x = 28,164.96

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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.