Home / 19,539.56-29,309.37-4,748.49

Finding the Fourth Proportional to 19,539.56, 29,309.37 and 4,748.49

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Solution

The fourth proportional to 19,539.56, 29,309.37 and 4,748.49 is: 7,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.56 : 29,309.37 = 4,748.49 : x
  2. Step 2: Convert to fraction form
    19,539.56/29,309.37 = 4,748.49/x
  3. Step 3: Cross multiply
    19,539.56x = 29,309.37 × 4,748.49
  4. Step 4: Simplify right side
    19,539.56x = 139,175,250.35
  5. Step 5: Solve for x
    x = 139,175,250.35/19,539.56
  6. Step 6: Final answer
    x = 7,122.74

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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.