Home / 49,643.42-68,506.16-28,407.66

Finding the Fourth Proportional to 49,643.42, 68,506.16 and 28,407.66

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Solution

The fourth proportional to 49,643.42, 68,506.16 and 28,407.66 is: 39,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,643.42 : 68,506.16 = 28,407.66 : x
  2. Step 2: Convert to fraction form
    49,643.42/68,506.16 = 28,407.66/x
  3. Step 3: Cross multiply
    49,643.42x = 68,506.16 × 28,407.66
  4. Step 4: Simplify right side
    49,643.42x = 1,946,099,701.19
  5. Step 5: Solve for x
    x = 1,946,099,701.19/49,643.42
  6. Step 6: Final answer
    x = 39,201.56

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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.