Home / 47,875.32-66,070.82-27,738.54

Finding the Fourth Proportional to 47,875.32, 66,070.82 and 27,738.54

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Solution

The fourth proportional to 47,875.32, 66,070.82 and 27,738.54 is: 38,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,875.32 : 66,070.82 = 27,738.54 : x
  2. Step 2: Convert to fraction form
    47,875.32/66,070.82 = 27,738.54/x
  3. Step 3: Cross multiply
    47,875.32x = 66,070.82 × 27,738.54
  4. Step 4: Simplify right side
    47,875.32x = 1,832,708,083.40
  5. Step 5: Solve for x
    x = 1,832,708,083.40/47,875.32
  6. Step 6: Final answer
    x = 38,280.85

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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.