Home / 49,649.28-68,492.64-28,416.48

Finding the Fourth Proportional to 49,649.28, 68,492.64 and 28,416.48

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Solution

The fourth proportional to 49,649.28, 68,492.64 and 28,416.48 is: 39,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.28 : 68,492.64 = 28,416.48 : x
  2. Step 2: Convert to fraction form
    49,649.28/68,492.64 = 28,416.48/x
  3. Step 3: Cross multiply
    49,649.28x = 68,492.64 × 28,416.48
  4. Step 4: Simplify right side
    49,649.28x = 1,946,319,734.71
  5. Step 5: Solve for x
    x = 1,946,319,734.71/49,649.28
  6. Step 6: Final answer
    x = 39,201.37

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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.