Home / 38,155.10-57,210.15-15,659.06

Finding the Fourth Proportional to 38,155.10, 57,210.15 and 15,659.06

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Solution

The fourth proportional to 38,155.10, 57,210.15 and 15,659.06 is: 23,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,155.10 : 57,210.15 = 15,659.06 : x
  2. Step 2: Convert to fraction form
    38,155.10/57,210.15 = 15,659.06/x
  3. Step 3: Cross multiply
    38,155.10x = 57,210.15 × 15,659.06
  4. Step 4: Simplify right side
    38,155.10x = 895,856,885.41
  5. Step 5: Solve for x
    x = 895,856,885.41/38,155.10
  6. Step 6: Final answer
    x = 23,479.35

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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.