Home / 38,040.77-57,049.99-14,331.20

Finding the Fourth Proportional to 38,040.77, 57,049.99 and 14,331.20

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Solution

The fourth proportional to 38,040.77, 57,049.99 and 14,331.20 is: 21,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040.77 : 57,049.99 = 14,331.20 : x
  2. Step 2: Convert to fraction form
    38,040.77/57,049.99 = 14,331.20/x
  3. Step 3: Cross multiply
    38,040.77x = 57,049.99 × 14,331.20
  4. Step 4: Simplify right side
    38,040.77x = 817,594,995.14
  5. Step 5: Solve for x
    x = 817,594,995.14/38,040.77
  6. Step 6: Final answer
    x = 21,492.60

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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.