Home / 61,785.51-85,235.32-36,283.60

Finding the Fourth Proportional to 61,785.51, 85,235.32 and 36,283.60

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Solution

The fourth proportional to 61,785.51, 85,235.32 and 36,283.60 is: 50,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,785.51 : 85,235.32 = 36,283.60 : x
  2. Step 2: Convert to fraction form
    61,785.51/85,235.32 = 36,283.60/x
  3. Step 3: Cross multiply
    61,785.51x = 85,235.32 × 36,283.60
  4. Step 4: Simplify right side
    61,785.51x = 3,092,644,256.75
  5. Step 5: Solve for x
    x = 3,092,644,256.75/61,785.51
  6. Step 6: Final answer
    x = 50,054.52

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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.