Home / 40,667.68-56,122.95-22,520.71

Finding the Fourth Proportional to 40,667.68, 56,122.95 and 22,520.71

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Solution

The fourth proportional to 40,667.68, 56,122.95 and 22,520.71 is: 31,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,667.68 : 56,122.95 = 22,520.71 : x
  2. Step 2: Convert to fraction form
    40,667.68/56,122.95 = 22,520.71/x
  3. Step 3: Cross multiply
    40,667.68x = 56,122.95 × 22,520.71
  4. Step 4: Simplify right side
    40,667.68x = 1,263,928,681.29
  5. Step 5: Solve for x
    x = 1,263,928,681.29/40,667.68
  6. Step 6: Final answer
    x = 31,079.44

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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.