Home / 49,946.49-68,919.80-28,439.10

Finding the Fourth Proportional to 49,946.49, 68,919.80 and 28,439.10

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Solution

The fourth proportional to 49,946.49, 68,919.80 and 28,439.10 is: 39,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,946.49 : 68,919.80 = 28,439.10 : x
  2. Step 2: Convert to fraction form
    49,946.49/68,919.80 = 28,439.10/x
  3. Step 3: Cross multiply
    49,946.49x = 68,919.80 × 28,439.10
  4. Step 4: Simplify right side
    49,946.49x = 1,960,016,941.98
  5. Step 5: Solve for x
    x = 1,960,016,941.98/49,946.49
  6. Step 6: Final answer
    x = 39,242.34

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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.