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Finding the Fourth Proportional to 58,332, 80,502.48 and 33,189.60

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Solution

The fourth proportional to 58,332, 80,502.48 and 33,189.60 is: 45,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,332 : 80,502.48 = 33,189.60 : x
  2. Step 2: Convert to fraction form
    58,332/80,502.48 = 33,189.60/x
  3. Step 3: Cross multiply
    58,332x = 80,502.48 × 33,189.60
  4. Step 4: Simplify right side
    58,332x = 2,671,845,110.21
  5. Step 5: Solve for x
    x = 2,671,845,110.21/58,332
  6. Step 6: Final answer
    x = 45,804.11

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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.