Home / 45,380.10-68,070.15-43,338.90

Finding the Fourth Proportional to 45,380.10, 68,070.15 and 43,338.90

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Solution

The fourth proportional to 45,380.10, 68,070.15 and 43,338.90 is: 65,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,380.10 : 68,070.15 = 43,338.90 : x
  2. Step 2: Convert to fraction form
    45,380.10/68,070.15 = 43,338.90/x
  3. Step 3: Cross multiply
    45,380.10x = 68,070.15 × 43,338.90
  4. Step 4: Simplify right side
    45,380.10x = 2,950,085,423.84
  5. Step 5: Solve for x
    x = 2,950,085,423.84/45,380.10
  6. Step 6: Final answer
    x = 65,008.35

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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.