Home / 61,189.26-91,586.88-31,566.30

Finding the Fourth Proportional to 61,189.26, 91,586.88 and 31,566.30

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Solution

The fourth proportional to 61,189.26, 91,586.88 and 31,566.30 is: 47,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189.26 : 91,586.88 = 31,566.30 : x
  2. Step 2: Convert to fraction form
    61,189.26/91,586.88 = 31,566.30/x
  3. Step 3: Cross multiply
    61,189.26x = 91,586.88 × 31,566.30
  4. Step 4: Simplify right side
    61,189.26x = 2,891,058,930.14
  5. Step 5: Solve for x
    x = 2,891,058,930.14/61,189.26
  6. Step 6: Final answer
    x = 47,247.82

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1.5x scale

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.