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Finding the Fourth Proportional to 35,905.62, 53,854.62 and 9,613.02

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Solution

The fourth proportional to 35,905.62, 53,854.62 and 9,613.02 is: 14,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.62 : 53,854.62 = 9,613.02 : x
  2. Step 2: Convert to fraction form
    35,905.62/53,854.62 = 9,613.02/x
  3. Step 3: Cross multiply
    35,905.62x = 53,854.62 × 9,613.02
  4. Step 4: Simplify right side
    35,905.62x = 517,705,539.15
  5. Step 5: Solve for x
    x = 517,705,539.15/35,905.62
  6. Step 6: Final answer
    x = 14,418.51

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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.