Home / 38,320.71-57,490.79-12,025.68

Finding the Fourth Proportional to 38,320.71, 57,490.79 and 12,025.68

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Solution

The fourth proportional to 38,320.71, 57,490.79 and 12,025.68 is: 18,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.71 : 57,490.79 = 12,025.68 : x
  2. Step 2: Convert to fraction form
    38,320.71/57,490.79 = 12,025.68/x
  3. Step 3: Cross multiply
    38,320.71x = 57,490.79 × 12,025.68
  4. Step 4: Simplify right side
    38,320.71x = 691,365,783.36
  5. Step 5: Solve for x
    x = 691,365,783.36/38,320.71
  6. Step 6: Final answer
    x = 18,041.57

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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.