Home / 61,979.86-85,531.79-33,685.55

Finding the Fourth Proportional to 61,979.86, 85,531.79 and 33,685.55

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Solution

The fourth proportional to 61,979.86, 85,531.79 and 33,685.55 is: 46,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,979.86 : 85,531.79 = 33,685.55 : x
  2. Step 2: Convert to fraction form
    61,979.86/85,531.79 = 33,685.55/x
  3. Step 3: Cross multiply
    61,979.86x = 85,531.79 × 33,685.55
  4. Step 4: Simplify right side
    61,979.86x = 2,881,185,045.19
  5. Step 5: Solve for x
    x = 2,881,185,045.19/61,979.86
  6. Step 6: Final answer
    x = 46,485.83

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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.