Home / 49,309.93-68,031.08-28,074.16

Finding the Fourth Proportional to 49,309.93, 68,031.08 and 28,074.16

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Solution

The fourth proportional to 49,309.93, 68,031.08 and 28,074.16 is: 38,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,309.93 : 68,031.08 = 28,074.16 : x
  2. Step 2: Convert to fraction form
    49,309.93/68,031.08 = 28,074.16/x
  3. Step 3: Cross multiply
    49,309.93x = 68,031.08 × 28,074.16
  4. Step 4: Simplify right side
    49,309.93x = 1,909,915,424.89
  5. Step 5: Solve for x
    x = 1,909,915,424.89/49,309.93
  6. Step 6: Final answer
    x = 38,732.88

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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.