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Finding the Fourth Proportional to 58,415.59, 80,613.42 and 33,265.09

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Solution

The fourth proportional to 58,415.59, 80,613.42 and 33,265.09 is: 45,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,415.59 : 80,613.42 = 33,265.09 : x
  2. Step 2: Convert to fraction form
    58,415.59/80,613.42 = 33,265.09/x
  3. Step 3: Cross multiply
    58,415.59x = 80,613.42 × 33,265.09
  4. Step 4: Simplify right side
    58,415.59x = 2,681,612,671.51
  5. Step 5: Solve for x
    x = 2,681,612,671.51/58,415.59
  6. Step 6: Final answer
    x = 45,905.77

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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.