Home / 61,211.06-91,619.75-31,588.55

Finding the Fourth Proportional to 61,211.06, 91,619.75 and 31,588.55

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Solution

The fourth proportional to 61,211.06, 91,619.75 and 31,588.55 is: 47,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,211.06 : 91,619.75 = 31,588.55 : x
  2. Step 2: Convert to fraction form
    61,211.06/91,619.75 = 31,588.55/x
  3. Step 3: Cross multiply
    61,211.06x = 91,619.75 × 31,588.55
  4. Step 4: Simplify right side
    61,211.06x = 2,894,134,437.82
  5. Step 5: Solve for x
    x = 2,894,134,437.82/61,211.06
  6. Step 6: Final answer
    x = 47,281.24

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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.