Home / 45,622.90-68,404.65-40,957.30

Finding the Fourth Proportional to 45,622.90, 68,404.65 and 40,957.30

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Solution

The fourth proportional to 45,622.90, 68,404.65 and 40,957.30 is: 61,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.90 : 68,404.65 = 40,957.30 : x
  2. Step 2: Convert to fraction form
    45,622.90/68,404.65 = 40,957.30/x
  3. Step 3: Cross multiply
    45,622.90x = 68,404.65 × 40,957.30
  4. Step 4: Simplify right side
    45,622.90x = 2,801,669,771.45
  5. Step 5: Solve for x
    x = 2,801,669,771.45/45,622.90
  6. Step 6: Final answer
    x = 61,409.29

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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.