Home / 30,126.72-45,165.24-14,325.48

Finding the Fourth Proportional to 30,126.72, 45,165.24 and 14,325.48

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Solution

The fourth proportional to 30,126.72, 45,165.24 and 14,325.48 is: 21,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.72 : 45,165.24 = 14,325.48 : x
  2. Step 2: Convert to fraction form
    30,126.72/45,165.24 = 14,325.48/x
  3. Step 3: Cross multiply
    30,126.72x = 45,165.24 × 14,325.48
  4. Step 4: Simplify right side
    30,126.72x = 647,013,742.32
  5. Step 5: Solve for x
    x = 647,013,742.32/30,126.72
  6. Step 6: Final answer
    x = 21,476.41

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1.5x scale

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.