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Finding the Fourth Proportional to 47,279.58, 70,919.60 and 14,000.27

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Solution

The fourth proportional to 47,279.58, 70,919.60 and 14,000.27 is: 21,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,279.58 : 70,919.60 = 14,000.27 : x
  2. Step 2: Convert to fraction form
    47,279.58/70,919.60 = 14,000.27/x
  3. Step 3: Cross multiply
    47,279.58x = 70,919.60 × 14,000.27
  4. Step 4: Simplify right side
    47,279.58x = 992,893,123.69
  5. Step 5: Solve for x
    x = 992,893,123.69/47,279.58
  6. Step 6: Final answer
    x = 21,000.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.