Home / 19,530.66-29,296.02-4,739.52

Finding the Fourth Proportional to 19,530.66, 29,296.02 and 4,739.52

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Solution

The fourth proportional to 19,530.66, 29,296.02 and 4,739.52 is: 7,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.66 : 29,296.02 = 4,739.52 : x
  2. Step 2: Convert to fraction form
    19,530.66/29,296.02 = 4,739.52/x
  3. Step 3: Cross multiply
    19,530.66x = 29,296.02 × 4,739.52
  4. Step 4: Simplify right side
    19,530.66x = 138,849,072.71
  5. Step 5: Solve for x
    x = 138,849,072.71/19,530.66
  6. Step 6: Final answer
    x = 7,109.29

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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.