Home / 30,423.20-45,634.80-29,256.80

Finding the Fourth Proportional to 30,423.20, 45,634.80 and 29,256.80

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Solution

The fourth proportional to 30,423.20, 45,634.80 and 29,256.80 is: 43,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.20 : 45,634.80 = 29,256.80 : x
  2. Step 2: Convert to fraction form
    30,423.20/45,634.80 = 29,256.80/x
  3. Step 3: Cross multiply
    30,423.20x = 45,634.80 × 29,256.80
  4. Step 4: Simplify right side
    30,423.20x = 1,335,128,216.64
  5. Step 5: Solve for x
    x = 1,335,128,216.64/30,423.20
  6. Step 6: Final answer
    x = 43,885.20

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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.