Home / 48,833.68-67,378.32-28,419.10

Finding the Fourth Proportional to 48,833.68, 67,378.32 and 28,419.10

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Solution

The fourth proportional to 48,833.68, 67,378.32 and 28,419.10 is: 39,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,833.68 : 67,378.32 = 28,419.10 : x
  2. Step 2: Convert to fraction form
    48,833.68/67,378.32 = 28,419.10/x
  3. Step 3: Cross multiply
    48,833.68x = 67,378.32 × 28,419.10
  4. Step 4: Simplify right side
    48,833.68x = 1,914,831,213.91
  5. Step 5: Solve for x
    x = 1,914,831,213.91/48,833.68
  6. Step 6: Final answer
    x = 39,211.28

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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.