Home / 47,269.58-65,207.03-28,135.76

Finding the Fourth Proportional to 47,269.58, 65,207.03 and 28,135.76

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Solution

The fourth proportional to 47,269.58, 65,207.03 and 28,135.76 is: 38,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,269.58 : 65,207.03 = 28,135.76 : x
  2. Step 2: Convert to fraction form
    47,269.58/65,207.03 = 28,135.76/x
  3. Step 3: Cross multiply
    47,269.58x = 65,207.03 × 28,135.76
  4. Step 4: Simplify right side
    47,269.58x = 1,834,648,879.68
  5. Step 5: Solve for x
    x = 1,834,648,879.68/47,269.58
  6. Step 6: Final answer
    x = 38,812.47

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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.