Home / 40,679.28-56,136.82-22,528.28

Finding the Fourth Proportional to 40,679.28, 56,136.82 and 22,528.28

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Solution

The fourth proportional to 40,679.28, 56,136.82 and 22,528.28 is: 31,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,679.28 : 56,136.82 = 22,528.28 : x
  2. Step 2: Convert to fraction form
    40,679.28/56,136.82 = 22,528.28/x
  3. Step 3: Cross multiply
    40,679.28x = 56,136.82 × 22,528.28
  4. Step 4: Simplify right side
    40,679.28x = 1,264,665,999.27
  5. Step 5: Solve for x
    x = 1,264,665,999.27/40,679.28
  6. Step 6: Final answer
    x = 31,088.70

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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.