Home / 35,920.32-53,905.11-12,546.75

Finding the Fourth Proportional to 35,920.32, 53,905.11 and 12,546.75

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Solution

The fourth proportional to 35,920.32, 53,905.11 and 12,546.75 is: 18,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,920.32 : 53,905.11 = 12,546.75 : x
  2. Step 2: Convert to fraction form
    35,920.32/53,905.11 = 12,546.75/x
  3. Step 3: Cross multiply
    35,920.32x = 53,905.11 × 12,546.75
  4. Step 4: Simplify right side
    35,920.32x = 676,333,938.89
  5. Step 5: Solve for x
    x = 676,333,938.89/35,920.32
  6. Step 6: Final answer
    x = 18,828.73

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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.