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Finding the Fourth Proportional to 61,162.55, 84,409.42 and 33,941.20

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Solution

The fourth proportional to 61,162.55, 84,409.42 and 33,941.20 is: 46,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,162.55 : 84,409.42 = 33,941.20 : x
  2. Step 2: Convert to fraction form
    61,162.55/84,409.42 = 33,941.20/x
  3. Step 3: Cross multiply
    61,162.55x = 84,409.42 × 33,941.20
  4. Step 4: Simplify right side
    61,162.55x = 2,864,956,836.40
  5. Step 5: Solve for x
    x = 2,864,956,836.40/61,162.55
  6. Step 6: Final answer
    x = 46,841.68

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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.