Home / 40,687.92-56,126.40-23,690.16

Finding the Fourth Proportional to 40,687.92, 56,126.40 and 23,690.16

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Solution

The fourth proportional to 40,687.92, 56,126.40 and 23,690.16 is: 32,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,687.92 : 56,126.40 = 23,690.16 : x
  2. Step 2: Convert to fraction form
    40,687.92/56,126.40 = 23,690.16/x
  3. Step 3: Cross multiply
    40,687.92x = 56,126.40 × 23,690.16
  4. Step 4: Simplify right side
    40,687.92x = 1,329,643,396.22
  5. Step 5: Solve for x
    x = 1,329,643,396.22/40,687.92
  6. Step 6: Final answer
    x = 32,679.07

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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.