Home / 40,997.70-56,579.58-30,908.34

Finding the Fourth Proportional to 40,997.70, 56,579.58 and 30,908.34

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Solution

The fourth proportional to 40,997.70, 56,579.58 and 30,908.34 is: 42,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,997.70 : 56,579.58 = 30,908.34 : x
  2. Step 2: Convert to fraction form
    40,997.70/56,579.58 = 30,908.34/x
  3. Step 3: Cross multiply
    40,997.70x = 56,579.58 × 30,908.34
  4. Step 4: Simplify right side
    40,997.70x = 1,748,780,895.70
  5. Step 5: Solve for x
    x = 1,748,780,895.70/40,997.70
  6. Step 6: Final answer
    x = 42,655.59

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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.