Home / 47,210.64-65,142.40-28,348.17

Finding the Fourth Proportional to 47,210.64, 65,142.40 and 28,348.17

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Solution

The fourth proportional to 47,210.64, 65,142.40 and 28,348.17 is: 39,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,210.64 : 65,142.40 = 28,348.17 : x
  2. Step 2: Convert to fraction form
    47,210.64/65,142.40 = 28,348.17/x
  3. Step 3: Cross multiply
    47,210.64x = 65,142.40 × 28,348.17
  4. Step 4: Simplify right side
    47,210.64x = 1,846,667,758.54
  5. Step 5: Solve for x
    x = 1,846,667,758.54/47,210.64
  6. Step 6: Final answer
    x = 39,115.50

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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.