Home / 47,800.51-65,960.76-28,151.87

Finding the Fourth Proportional to 47,800.51, 65,960.76 and 28,151.87

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Solution

The fourth proportional to 47,800.51, 65,960.76 and 28,151.87 is: 38,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,800.51 : 65,960.76 = 28,151.87 : x
  2. Step 2: Convert to fraction form
    47,800.51/65,960.76 = 28,151.87/x
  3. Step 3: Cross multiply
    47,800.51x = 65,960.76 × 28,151.87
  4. Step 4: Simplify right side
    47,800.51x = 1,856,918,740.62
  5. Step 5: Solve for x
    x = 1,856,918,740.62/47,800.51
  6. Step 6: Final answer
    x = 38,847.26

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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.