Home / 51,607.78-71,217.39-28,637.44

Finding the Fourth Proportional to 51,607.78, 71,217.39 and 28,637.44

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Solution

The fourth proportional to 51,607.78, 71,217.39 and 28,637.44 is: 39,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607.78 : 71,217.39 = 28,637.44 : x
  2. Step 2: Convert to fraction form
    51,607.78/71,217.39 = 28,637.44/x
  3. Step 3: Cross multiply
    51,607.78x = 71,217.39 × 28,637.44
  4. Step 4: Simplify right side
    51,607.78x = 2,039,483,733.08
  5. Step 5: Solve for x
    x = 2,039,483,733.08/51,607.78
  6. Step 6: Final answer
    x = 39,518.92

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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.