Home / 19,539.93-29,309.91-4,748.75

Finding the Fourth Proportional to 19,539.93, 29,309.91 and 4,748.75

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Solution

The fourth proportional to 19,539.93, 29,309.91 and 4,748.75 is: 7,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.93 : 29,309.91 = 4,748.75 : x
  2. Step 2: Convert to fraction form
    19,539.93/29,309.91 = 4,748.75/x
  3. Step 3: Cross multiply
    19,539.93x = 29,309.91 × 4,748.75
  4. Step 4: Simplify right side
    19,539.93x = 139,185,264.82
  5. Step 5: Solve for x
    x = 139,185,264.82/19,539.93
  6. Step 6: Final answer
    x = 7,123.12

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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.