Home / 30,516.36-45,781.47-11,796.45

Finding the Fourth Proportional to 30,516.36, 45,781.47 and 11,796.45

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Solution

The fourth proportional to 30,516.36, 45,781.47 and 11,796.45 is: 17,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516.36 : 45,781.47 = 11,796.45 : x
  2. Step 2: Convert to fraction form
    30,516.36/45,781.47 = 11,796.45/x
  3. Step 3: Cross multiply
    30,516.36x = 45,781.47 × 11,796.45
  4. Step 4: Simplify right side
    30,516.36x = 540,058,821.78
  5. Step 5: Solve for x
    x = 540,058,821.78/30,516.36
  6. Step 6: Final answer
    x = 17,697.35

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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.