Home / 49,478.08-68,280.64-27,121.92

Finding the Fourth Proportional to 49,478.08, 68,280.64 and 27,121.92

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Solution

The fourth proportional to 49,478.08, 68,280.64 and 27,121.92 is: 37,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,478.08 : 68,280.64 = 27,121.92 : x
  2. Step 2: Convert to fraction form
    49,478.08/68,280.64 = 27,121.92/x
  3. Step 3: Cross multiply
    49,478.08x = 68,280.64 × 27,121.92
  4. Step 4: Simplify right side
    49,478.08x = 1,851,902,055.63
  5. Step 5: Solve for x
    x = 1,851,902,055.63/49,478.08
  6. Step 6: Final answer
    x = 37,428.74

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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.