Home / 49,438.41-68,228.51-28,220.87

Finding the Fourth Proportional to 49,438.41, 68,228.51 and 28,220.87

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Solution

The fourth proportional to 49,438.41, 68,228.51 and 28,220.87 is: 38,946.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438.41 : 68,228.51 = 28,220.87 : x
  2. Step 2: Convert to fraction form
    49,438.41/68,228.51 = 28,220.87/x
  3. Step 3: Cross multiply
    49,438.41x = 68,228.51 × 28,220.87
  4. Step 4: Simplify right side
    49,438.41x = 1,925,467,428.76
  5. Step 5: Solve for x
    x = 1,925,467,428.76/49,438.41
  6. Step 6: Final answer
    x = 38,946.79

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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.