Home / 45,430.10-68,015.55-40,246.10

Finding the Fourth Proportional to 45,430.10, 68,015.55 and 40,246.10

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Solution

The fourth proportional to 45,430.10, 68,015.55 and 40,246.10 is: 60,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,430.10 : 68,015.55 = 40,246.10 : x
  2. Step 2: Convert to fraction form
    45,430.10/68,015.55 = 40,246.10/x
  3. Step 3: Cross multiply
    45,430.10x = 68,015.55 × 40,246.10
  4. Step 4: Simplify right side
    45,430.10x = 2,737,360,626.86
  5. Step 5: Solve for x
    x = 2,737,360,626.86/45,430.10
  6. Step 6: Final answer
    x = 60,254.34

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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.