Home / 30,023.10-45,062.87-15,242.63

Finding the Fourth Proportional to 30,023.10, 45,062.87 and 15,242.63

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Solution

The fourth proportional to 30,023.10, 45,062.87 and 15,242.63 is: 22,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.10 : 45,062.87 = 15,242.63 : x
  2. Step 2: Convert to fraction form
    30,023.10/45,062.87 = 15,242.63/x
  3. Step 3: Cross multiply
    30,023.10x = 45,062.87 × 15,242.63
  4. Step 4: Simplify right side
    30,023.10x = 686,876,352.62
  5. Step 5: Solve for x
    x = 686,876,352.62/30,023.10
  6. Step 6: Final answer
    x = 22,878.26

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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.