Home / 38,113.64-57,176.52-11,812.94

Finding the Fourth Proportional to 38,113.64, 57,176.52 and 11,812.94

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Solution

The fourth proportional to 38,113.64, 57,176.52 and 11,812.94 is: 17,721.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,113.64 : 57,176.52 = 11,812.94 : x
  2. Step 2: Convert to fraction form
    38,113.64/57,176.52 = 11,812.94/x
  3. Step 3: Cross multiply
    38,113.64x = 57,176.52 × 11,812.94
  4. Step 4: Simplify right side
    38,113.64x = 675,422,800.17
  5. Step 5: Solve for x
    x = 675,422,800.17/38,113.64
  6. Step 6: Final answer
    x = 17,721.29

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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.