Home / 43,190.43-59,613.93-28,120.74

Finding the Fourth Proportional to 43,190.43, 59,613.93 and 28,120.74

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Solution

The fourth proportional to 43,190.43, 59,613.93 and 28,120.74 is: 38,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,190.43 : 59,613.93 = 28,120.74 : x
  2. Step 2: Convert to fraction form
    43,190.43/59,613.93 = 28,120.74/x
  3. Step 3: Cross multiply
    43,190.43x = 59,613.93 × 28,120.74
  4. Step 4: Simplify right side
    43,190.43x = 1,676,387,825.91
  5. Step 5: Solve for x
    x = 1,676,387,825.91/43,190.43
  6. Step 6: Final answer
    x = 38,813.87

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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.