Home / 45,690.30-68,535.45-43,940.70

Finding the Fourth Proportional to 45,690.30, 68,535.45 and 43,940.70

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Solution

The fourth proportional to 45,690.30, 68,535.45 and 43,940.70 is: 65,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690.30 : 68,535.45 = 43,940.70 : x
  2. Step 2: Convert to fraction form
    45,690.30/68,535.45 = 43,940.70/x
  3. Step 3: Cross multiply
    45,690.30x = 68,535.45 × 43,940.70
  4. Step 4: Simplify right side
    45,690.30x = 3,011,495,647.82
  5. Step 5: Solve for x
    x = 3,011,495,647.82/45,690.30
  6. Step 6: Final answer
    x = 65,911.05

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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.