Home / 45,350.90-68,026.35-40,426.10

Finding the Fourth Proportional to 45,350.90, 68,026.35 and 40,426.10

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Solution

The fourth proportional to 45,350.90, 68,026.35 and 40,426.10 is: 60,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,350.90 : 68,026.35 = 40,426.10 : x
  2. Step 2: Convert to fraction form
    45,350.90/68,026.35 = 40,426.10/x
  3. Step 3: Cross multiply
    45,350.90x = 68,026.35 × 40,426.10
  4. Step 4: Simplify right side
    45,350.90x = 2,750,040,027.74
  5. Step 5: Solve for x
    x = 2,750,040,027.74/45,350.90
  6. Step 6: Final answer
    x = 60,639.15

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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.