Home / 19,538.31-29,307.50-4,747.24

Finding the Fourth Proportional to 19,538.31, 29,307.50 and 4,747.24

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Solution

The fourth proportional to 19,538.31, 29,307.50 and 4,747.24 is: 7,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.31 : 29,307.50 = 4,747.24 : x
  2. Step 2: Convert to fraction form
    19,538.31/29,307.50 = 4,747.24/x
  3. Step 3: Cross multiply
    19,538.31x = 29,307.50 × 4,747.24
  4. Step 4: Simplify right side
    19,538.31x = 139,129,566.03
  5. Step 5: Solve for x
    x = 139,129,566.03/19,538.31
  6. Step 6: Final answer
    x = 7,120.86

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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.