Home / 49,478.23-68,280.43-28,257.34

Finding the Fourth Proportional to 49,478.23, 68,280.43 and 28,257.34

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Solution

The fourth proportional to 49,478.23, 68,280.43 and 28,257.34 is: 38,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,478.23 : 68,280.43 = 28,257.34 : x
  2. Step 2: Convert to fraction form
    49,478.23/68,280.43 = 28,257.34/x
  3. Step 3: Cross multiply
    49,478.23x = 68,280.43 × 28,257.34
  4. Step 4: Simplify right side
    49,478.23x = 1,929,423,325.86
  5. Step 5: Solve for x
    x = 1,929,423,325.86/49,478.23
  6. Step 6: Final answer
    x = 38,995.40

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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.