Home / 30,161.64-45,237.42-9,383.52

Finding the Fourth Proportional to 30,161.64, 45,237.42 and 9,383.52

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Solution

The fourth proportional to 30,161.64, 45,237.42 and 9,383.52 is: 14,073.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.64 : 45,237.42 = 9,383.52 : x
  2. Step 2: Convert to fraction form
    30,161.64/45,237.42 = 9,383.52/x
  3. Step 3: Cross multiply
    30,161.64x = 45,237.42 × 9,383.52
  4. Step 4: Simplify right side
    30,161.64x = 424,486,235.32
  5. Step 5: Solve for x
    x = 424,486,235.32/30,161.64
  6. Step 6: Final answer
    x = 14,073.71

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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.