Home / 38,431.46-57,650.16-14,750.40

Finding the Fourth Proportional to 38,431.46, 57,650.16 and 14,750.40

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Solution

The fourth proportional to 38,431.46, 57,650.16 and 14,750.40 is: 22,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.46 : 57,650.16 = 14,750.40 : x
  2. Step 2: Convert to fraction form
    38,431.46/57,650.16 = 14,750.40/x
  3. Step 3: Cross multiply
    38,431.46x = 57,650.16 × 14,750.40
  4. Step 4: Simplify right side
    38,431.46x = 850,362,920.06
  5. Step 5: Solve for x
    x = 850,362,920.06/38,431.46
  6. Step 6: Final answer
    x = 22,126.74

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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.