Home / 61,054.22-91,507.50-31,455.90

Finding the Fourth Proportional to 61,054.22, 91,507.50 and 31,455.90

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Solution

The fourth proportional to 61,054.22, 91,507.50 and 31,455.90 is: 47,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,054.22 : 91,507.50 = 31,455.90 : x
  2. Step 2: Convert to fraction form
    61,054.22/91,507.50 = 31,455.90/x
  3. Step 3: Cross multiply
    61,054.22x = 91,507.50 × 31,455.90
  4. Step 4: Simplify right side
    61,054.22x = 2,878,450,769.25
  5. Step 5: Solve for x
    x = 2,878,450,769.25/61,054.22
  6. Step 6: Final answer
    x = 47,145.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.