Home / 53,678.28-80,838.90-48,889.92

Finding the Fourth Proportional to 53,678.28, 80,838.90 and 48,889.92

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Solution

The fourth proportional to 53,678.28, 80,838.90 and 48,889.92 is: 73,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,678.28 : 80,838.90 = 48,889.92 : x
  2. Step 2: Convert to fraction form
    53,678.28/80,838.90 = 48,889.92/x
  3. Step 3: Cross multiply
    53,678.28x = 80,838.90 × 48,889.92
  4. Step 4: Simplify right side
    53,678.28x = 3,952,207,353.89
  5. Step 5: Solve for x
    x = 3,952,207,353.89/53,678.28
  6. Step 6: Final answer
    x = 73,627.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.