Home / 49,355.68-68,097.36-28,127.20

Finding the Fourth Proportional to 49,355.68, 68,097.36 and 28,127.20

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Solution

The fourth proportional to 49,355.68, 68,097.36 and 28,127.20 is: 38,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,355.68 : 68,097.36 = 28,127.20 : x
  2. Step 2: Convert to fraction form
    49,355.68/68,097.36 = 28,127.20/x
  3. Step 3: Cross multiply
    49,355.68x = 68,097.36 × 28,127.20
  4. Step 4: Simplify right side
    49,355.68x = 1,915,388,064.19
  5. Step 5: Solve for x
    x = 1,915,388,064.19/49,355.68
  6. Step 6: Final answer
    x = 38,807.85

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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.