Home / 49,681.68-68,560.38-28,175.48

Finding the Fourth Proportional to 49,681.68, 68,560.38 and 28,175.48

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Solution

The fourth proportional to 49,681.68, 68,560.38 and 28,175.48 is: 38,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681.68 : 68,560.38 = 28,175.48 : x
  2. Step 2: Convert to fraction form
    49,681.68/68,560.38 = 28,175.48/x
  3. Step 3: Cross multiply
    49,681.68x = 68,560.38 × 28,175.48
  4. Step 4: Simplify right side
    49,681.68x = 1,931,721,615.48
  5. Step 5: Solve for x
    x = 1,931,721,615.48/49,681.68
  6. Step 6: Final answer
    x = 38,881.97

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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.