Home / 45,402.12-68,103.46-15,820.50

Finding the Fourth Proportional to 45,402.12, 68,103.46 and 15,820.50

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Solution

The fourth proportional to 45,402.12, 68,103.46 and 15,820.50 is: 23,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,402.12 : 68,103.46 = 15,820.50 : x
  2. Step 2: Convert to fraction form
    45,402.12/68,103.46 = 15,820.50/x
  3. Step 3: Cross multiply
    45,402.12x = 68,103.46 × 15,820.50
  4. Step 4: Simplify right side
    45,402.12x = 1,077,430,788.93
  5. Step 5: Solve for x
    x = 1,077,430,788.93/45,402.12
  6. Step 6: Final answer
    x = 23,730.85

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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.