Home / 45,820.20-68,730.30-35,439.40

Finding the Fourth Proportional to 45,820.20, 68,730.30 and 35,439.40

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Solution

The fourth proportional to 45,820.20, 68,730.30 and 35,439.40 is: 53,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,820.20 : 68,730.30 = 35,439.40 : x
  2. Step 2: Convert to fraction form
    45,820.20/68,730.30 = 35,439.40/x
  3. Step 3: Cross multiply
    45,820.20x = 68,730.30 × 35,439.40
  4. Step 4: Simplify right side
    45,820.20x = 2,435,760,593.82
  5. Step 5: Solve for x
    x = 2,435,760,593.82/45,820.20
  6. Step 6: Final answer
    x = 53,159.10

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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.