Home / 52,109.74-71,911.26-28,237

Finding the Fourth Proportional to 52,109.74, 71,911.26 and 28,237

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Solution

The fourth proportional to 52,109.74, 71,911.26 and 28,237 is: 38,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,109.74 : 71,911.26 = 28,237 : x
  2. Step 2: Convert to fraction form
    52,109.74/71,911.26 = 28,237/x
  3. Step 3: Cross multiply
    52,109.74x = 71,911.26 × 28,237
  4. Step 4: Simplify right side
    52,109.74x = 2,030,558,248.62
  5. Step 5: Solve for x
    x = 2,030,558,248.62/52,109.74
  6. Step 6: Final answer
    x = 38,966.96

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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.