Home / 61,710.21-85,159.08-33,415.56

Finding the Fourth Proportional to 61,710.21, 85,159.08 and 33,415.56

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Solution

The fourth proportional to 61,710.21, 85,159.08 and 33,415.56 is: 46,112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,710.21 : 85,159.08 = 33,415.56 : x
  2. Step 2: Convert to fraction form
    61,710.21/85,159.08 = 33,415.56/x
  3. Step 3: Cross multiply
    61,710.21x = 85,159.08 × 33,415.56
  4. Step 4: Simplify right side
    61,710.21x = 2,845,638,347.28
  5. Step 5: Solve for x
    x = 2,845,638,347.28/61,710.21
  6. Step 6: Final answer
    x = 46,112.93

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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.