Home / 30,766.20-42,457.52-17,337.66

Finding the Fourth Proportional to 30,766.20, 42,457.52 and 17,337.66

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Solution

The fourth proportional to 30,766.20, 42,457.52 and 17,337.66 is: 23,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766.20 : 42,457.52 = 17,337.66 : x
  2. Step 2: Convert to fraction form
    30,766.20/42,457.52 = 17,337.66/x
  3. Step 3: Cross multiply
    30,766.20x = 42,457.52 × 17,337.66
  4. Step 4: Simplify right side
    30,766.20x = 736,114,046.20
  5. Step 5: Solve for x
    x = 736,114,046.20/30,766.20
  6. Step 6: Final answer
    x = 23,926.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.