Home / 47,822.40-66,000.16-27,678.96

Finding the Fourth Proportional to 47,822.40, 66,000.16 and 27,678.96

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Solution

The fourth proportional to 47,822.40, 66,000.16 and 27,678.96 is: 38,200.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,822.40 : 66,000.16 = 27,678.96 : x
  2. Step 2: Convert to fraction form
    47,822.40/66,000.16 = 27,678.96/x
  3. Step 3: Cross multiply
    47,822.40x = 66,000.16 × 27,678.96
  4. Step 4: Simplify right side
    47,822.40x = 1,826,815,788.63
  5. Step 5: Solve for x
    x = 1,826,815,788.63/47,822.40
  6. Step 6: Final answer
    x = 38,200.00

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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.