Home / 49,634.08-68,496.56-28,420.16

Finding the Fourth Proportional to 49,634.08, 68,496.56 and 28,420.16

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Solution

The fourth proportional to 49,634.08, 68,496.56 and 28,420.16 is: 39,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,634.08 : 68,496.56 = 28,420.16 : x
  2. Step 2: Convert to fraction form
    49,634.08/68,496.56 = 28,420.16/x
  3. Step 3: Cross multiply
    49,634.08x = 68,496.56 × 28,420.16
  4. Step 4: Simplify right side
    49,634.08x = 1,946,683,194.65
  5. Step 5: Solve for x
    x = 1,946,683,194.65/49,634.08
  6. Step 6: Final answer
    x = 39,220.70

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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.