Home / 34,645.90-51,956.70-18,000.40

Finding the Fourth Proportional to 34,645.90, 51,956.70 and 18,000.40

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Solution

The fourth proportional to 34,645.90, 51,956.70 and 18,000.40 is: 26,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,645.90 : 51,956.70 = 18,000.40 : x
  2. Step 2: Convert to fraction form
    34,645.90/51,956.70 = 18,000.40/x
  3. Step 3: Cross multiply
    34,645.90x = 51,956.70 × 18,000.40
  4. Step 4: Simplify right side
    34,645.90x = 935,241,382.68
  5. Step 5: Solve for x
    x = 935,241,382.68/34,645.90
  6. Step 6: Final answer
    x = 26,994.29

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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.