Home / 19,539.68-29,309.52-4,748.36

Finding the Fourth Proportional to 19,539.68, 29,309.52 and 4,748.36

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Solution

The fourth proportional to 19,539.68, 29,309.52 and 4,748.36 is: 7,122.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.68 : 29,309.52 = 4,748.36 : x
  2. Step 2: Convert to fraction form
    19,539.68/29,309.52 = 4,748.36/x
  3. Step 3: Cross multiply
    19,539.68x = 29,309.52 × 4,748.36
  4. Step 4: Simplify right side
    19,539.68x = 139,172,152.39
  5. Step 5: Solve for x
    x = 139,172,152.39/19,539.68
  6. Step 6: Final answer
    x = 7,122.54

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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.