Home / 40,501.70-60,752.55-39,408.20

Finding the Fourth Proportional to 40,501.70, 60,752.55 and 39,408.20

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Solution

The fourth proportional to 40,501.70, 60,752.55 and 39,408.20 is: 59,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,501.70 : 60,752.55 = 39,408.20 : x
  2. Step 2: Convert to fraction form
    40,501.70/60,752.55 = 39,408.20/x
  3. Step 3: Cross multiply
    40,501.70x = 60,752.55 × 39,408.20
  4. Step 4: Simplify right side
    40,501.70x = 2,394,148,640.91
  5. Step 5: Solve for x
    x = 2,394,148,640.91/40,501.70
  6. Step 6: Final answer
    x = 59,112.30

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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.