Home / 30,327.85-45,424.07-23,255.78

Finding the Fourth Proportional to 30,327.85, 45,424.07 and 23,255.78

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Solution

The fourth proportional to 30,327.85, 45,424.07 and 23,255.78 is: 34,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.85 : 45,424.07 = 23,255.78 : x
  2. Step 2: Convert to fraction form
    30,327.85/45,424.07 = 23,255.78/x
  3. Step 3: Cross multiply
    30,327.85x = 45,424.07 × 23,255.78
  4. Step 4: Simplify right side
    30,327.85x = 1,056,371,835.23
  5. Step 5: Solve for x
    x = 1,056,371,835.23/30,327.85
  6. Step 6: Final answer
    x = 34,831.74

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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.