Home / 40,669.89-56,124.45-22,764.90

Finding the Fourth Proportional to 40,669.89, 56,124.45 and 22,764.90

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Solution

The fourth proportional to 40,669.89, 56,124.45 and 22,764.90 is: 31,415.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,669.89 : 56,124.45 = 22,764.90 : x
  2. Step 2: Convert to fraction form
    40,669.89/56,124.45 = 22,764.90/x
  3. Step 3: Cross multiply
    40,669.89x = 56,124.45 × 22,764.90
  4. Step 4: Simplify right side
    40,669.89x = 1,277,667,491.81
  5. Step 5: Solve for x
    x = 1,277,667,491.81/40,669.89
  6. Step 6: Final answer
    x = 31,415.56

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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.