Home / 40,681.53-56,142.23-22,776.57

Finding the Fourth Proportional to 40,681.53, 56,142.23 and 22,776.57

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Solution

The fourth proportional to 40,681.53, 56,142.23 and 22,776.57 is: 31,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,681.53 : 56,142.23 = 22,776.57 : x
  2. Step 2: Convert to fraction form
    40,681.53/56,142.23 = 22,776.57/x
  3. Step 3: Cross multiply
    40,681.53x = 56,142.23 × 22,776.57
  4. Step 4: Simplify right side
    40,681.53x = 1,278,727,317.67
  5. Step 5: Solve for x
    x = 1,278,727,317.67/40,681.53
  6. Step 6: Final answer
    x = 31,432.63

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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.