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Finding the Fourth Proportional to 35,295.52, 52,943.28 and 14,245.12

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Solution

The fourth proportional to 35,295.52, 52,943.28 and 14,245.12 is: 21,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,295.52 : 52,943.28 = 14,245.12 : x
  2. Step 2: Convert to fraction form
    35,295.52/52,943.28 = 14,245.12/x
  3. Step 3: Cross multiply
    35,295.52x = 52,943.28 × 14,245.12
  4. Step 4: Simplify right side
    35,295.52x = 754,183,376.79
  5. Step 5: Solve for x
    x = 754,183,376.79/35,295.52
  6. Step 6: Final answer
    x = 21,367.68

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Double scale
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Similar ratio
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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.