Home / 40,690.76-60,962.33-30,043.49

Finding the Fourth Proportional to 40,690.76, 60,962.33 and 30,043.49

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Solution

The fourth proportional to 40,690.76, 60,962.33 and 30,043.49 is: 45,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,690.76 : 60,962.33 = 30,043.49 : x
  2. Step 2: Convert to fraction form
    40,690.76/60,962.33 = 30,043.49/x
  3. Step 3: Cross multiply
    40,690.76x = 60,962.33 × 30,043.49
  4. Step 4: Simplify right side
    40,690.76x = 1,831,520,748.06
  5. Step 5: Solve for x
    x = 1,831,520,748.06/40,690.76
  6. Step 6: Final answer
    x = 45,010.73

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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.