Home / 47,981.72-66,193.36-27,826.93

Finding the Fourth Proportional to 47,981.72, 66,193.36 and 27,826.93

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Solution

The fourth proportional to 47,981.72, 66,193.36 and 27,826.93 is: 38,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,981.72 : 66,193.36 = 27,826.93 : x
  2. Step 2: Convert to fraction form
    47,981.72/66,193.36 = 27,826.93/x
  3. Step 3: Cross multiply
    47,981.72x = 66,193.36 × 27,826.93
  4. Step 4: Simplify right side
    47,981.72x = 1,841,957,714.28
  5. Step 5: Solve for x
    x = 1,841,957,714.28/47,981.72
  6. Step 6: Final answer
    x = 38,388.74

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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.