Home / 30,752.20-46,128.30-17,630.20

Finding the Fourth Proportional to 30,752.20, 46,128.30 and 17,630.20

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Solution

The fourth proportional to 30,752.20, 46,128.30 and 17,630.20 is: 26,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752.20 : 46,128.30 = 17,630.20 : x
  2. Step 2: Convert to fraction form
    30,752.20/46,128.30 = 17,630.20/x
  3. Step 3: Cross multiply
    30,752.20x = 46,128.30 × 17,630.20
  4. Step 4: Simplify right side
    30,752.20x = 813,251,154.66
  5. Step 5: Solve for x
    x = 813,251,154.66/30,752.20
  6. Step 6: Final answer
    x = 26,445.30

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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.