Home / 65,677.78-90,634.98-36,997.35

Finding the Fourth Proportional to 65,677.78, 90,634.98 and 36,997.35

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Solution

The fourth proportional to 65,677.78, 90,634.98 and 36,997.35 is: 51,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,677.78 : 90,634.98 = 36,997.35 : x
  2. Step 2: Convert to fraction form
    65,677.78/90,634.98 = 36,997.35/x
  3. Step 3: Cross multiply
    65,677.78x = 90,634.98 × 36,997.35
  4. Step 4: Simplify right side
    65,677.78x = 3,353,254,077.30
  5. Step 5: Solve for x
    x = 3,353,254,077.30/65,677.78
  6. Step 6: Final answer
    x = 51,056.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.