Home / 45,781.20-68,612.67-36,900.63

Finding the Fourth Proportional to 45,781.20, 68,612.67 and 36,900.63

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Solution

The fourth proportional to 45,781.20, 68,612.67 and 36,900.63 is: 55,303.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,781.20 : 68,612.67 = 36,900.63 : x
  2. Step 2: Convert to fraction form
    45,781.20/68,612.67 = 36,900.63/x
  3. Step 3: Cross multiply
    45,781.20x = 68,612.67 × 36,900.63
  4. Step 4: Simplify right side
    45,781.20x = 2,531,850,748.98
  5. Step 5: Solve for x
    x = 2,531,850,748.98/45,781.20
  6. Step 6: Final answer
    x = 55,303.28

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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.