Home / 40,690.14-56,154.42-22,784.01

Finding the Fourth Proportional to 40,690.14, 56,154.42 and 22,784.01

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Solution

The fourth proportional to 40,690.14, 56,154.42 and 22,784.01 is: 31,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,690.14 : 56,154.42 = 22,784.01 : x
  2. Step 2: Convert to fraction form
    40,690.14/56,154.42 = 22,784.01/x
  3. Step 3: Cross multiply
    40,690.14x = 56,154.42 × 22,784.01
  4. Step 4: Simplify right side
    40,690.14x = 1,279,422,866.82
  5. Step 5: Solve for x
    x = 1,279,422,866.82/40,690.14
  6. Step 6: Final answer
    x = 31,443.07

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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.