Home / 53,378.91-80,003.88-19,617.69

Finding the Fourth Proportional to 53,378.91, 80,003.88 and 19,617.69

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Solution

The fourth proportional to 53,378.91, 80,003.88 and 19,617.69 is: 29,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,378.91 : 80,003.88 = 19,617.69 : x
  2. Step 2: Convert to fraction form
    53,378.91/80,003.88 = 19,617.69/x
  3. Step 3: Cross multiply
    53,378.91x = 80,003.88 × 19,617.69
  4. Step 4: Simplify right side
    53,378.91x = 1,569,491,316.64
  5. Step 5: Solve for x
    x = 1,569,491,316.64/53,378.91
  6. Step 6: Final answer
    x = 29,402.84

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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.