Home / 47,219.92-65,143.96-28,095.87

Finding the Fourth Proportional to 47,219.92, 65,143.96 and 28,095.87

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Solution

The fourth proportional to 47,219.92, 65,143.96 and 28,095.87 is: 38,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,219.92 : 65,143.96 = 28,095.87 : x
  2. Step 2: Convert to fraction form
    47,219.92/65,143.96 = 28,095.87/x
  3. Step 3: Cross multiply
    47,219.92x = 65,143.96 × 28,095.87
  4. Step 4: Simplify right side
    47,219.92x = 1,830,276,231.45
  5. Step 5: Solve for x
    x = 1,830,276,231.45/47,219.92
  6. Step 6: Final answer
    x = 38,760.68

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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.