Home / 30,749.02-46,138.10-18,293.65

Finding the Fourth Proportional to 30,749.02, 46,138.10 and 18,293.65

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Solution

The fourth proportional to 30,749.02, 46,138.10 and 18,293.65 is: 27,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,749.02 : 46,138.10 = 18,293.65 : x
  2. Step 2: Convert to fraction form
    30,749.02/46,138.10 = 18,293.65/x
  3. Step 3: Cross multiply
    30,749.02x = 46,138.10 × 18,293.65
  4. Step 4: Simplify right side
    30,749.02x = 844,034,068.11
  5. Step 5: Solve for x
    x = 844,034,068.11/30,749.02
  6. Step 6: Final answer
    x = 27,449.14

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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.