Home / 45,411.10-68,116.65-40,399.90

Finding the Fourth Proportional to 45,411.10, 68,116.65 and 40,399.90

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Solution

The fourth proportional to 45,411.10, 68,116.65 and 40,399.90 is: 60,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,411.10 : 68,116.65 = 40,399.90 : x
  2. Step 2: Convert to fraction form
    45,411.10/68,116.65 = 40,399.90/x
  3. Step 3: Cross multiply
    45,411.10x = 68,116.65 × 40,399.90
  4. Step 4: Simplify right side
    45,411.10x = 2,751,905,848.34
  5. Step 5: Solve for x
    x = 2,751,905,848.34/45,411.10
  6. Step 6: Final answer
    x = 60,599.85

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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.