Home / 38,630.70-53,311.65-22,716.63

Finding the Fourth Proportional to 38,630.70, 53,311.65 and 22,716.63

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Solution

The fourth proportional to 38,630.70, 53,311.65 and 22,716.63 is: 31,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,630.70 : 53,311.65 = 22,716.63 : x
  2. Step 2: Convert to fraction form
    38,630.70/53,311.65 = 22,716.63/x
  3. Step 3: Cross multiply
    38,630.70x = 53,311.65 × 22,716.63
  4. Step 4: Simplify right side
    38,630.70x = 1,211,061,027.74
  5. Step 5: Solve for x
    x = 1,211,061,027.74/38,630.70
  6. Step 6: Final answer
    x = 31,349.70

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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.