Home / 30,328.85-45,425.56-23,256.78

Finding the Fourth Proportional to 30,328.85, 45,425.56 and 23,256.78

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Solution

The fourth proportional to 30,328.85, 45,425.56 and 23,256.78 is: 34,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.85 : 45,425.56 = 23,256.78 : x
  2. Step 2: Convert to fraction form
    30,328.85/45,425.56 = 23,256.78/x
  3. Step 3: Cross multiply
    30,328.85x = 45,425.56 × 23,256.78
  4. Step 4: Simplify right side
    30,328.85x = 1,056,452,255.30
  5. Step 5: Solve for x
    x = 1,056,452,255.30/30,328.85
  6. Step 6: Final answer
    x = 34,833.24

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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.