Home / 30,147.08-45,248.62-15,367.10

Finding the Fourth Proportional to 30,147.08, 45,248.62 and 15,367.10

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Solution

The fourth proportional to 30,147.08, 45,248.62 and 15,367.10 is: 23,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.08 : 45,248.62 = 15,367.10 : x
  2. Step 2: Convert to fraction form
    30,147.08/45,248.62 = 15,367.10/x
  3. Step 3: Cross multiply
    30,147.08x = 45,248.62 × 15,367.10
  4. Step 4: Simplify right side
    30,147.08x = 695,340,068.40
  5. Step 5: Solve for x
    x = 695,340,068.40/30,147.08
  6. Step 6: Final answer
    x = 23,064.92

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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.