Home / 49,228.74-67,938.21-28,011.06

Finding the Fourth Proportional to 49,228.74, 67,938.21 and 28,011.06

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Solution

The fourth proportional to 49,228.74, 67,938.21 and 28,011.06 is: 38,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,228.74 : 67,938.21 = 28,011.06 : x
  2. Step 2: Convert to fraction form
    49,228.74/67,938.21 = 28,011.06/x
  3. Step 3: Cross multiply
    49,228.74x = 67,938.21 × 28,011.06
  4. Step 4: Simplify right side
    49,228.74x = 1,903,021,276.60
  5. Step 5: Solve for x
    x = 1,903,021,276.60/49,228.74
  6. Step 6: Final answer
    x = 38,656.71

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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.