Home / 29,406.96-40,558.14-19,345.80

Finding the Fourth Proportional to 29,406.96, 40,558.14 and 19,345.80

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Solution

The fourth proportional to 29,406.96, 40,558.14 and 19,345.80 is: 26,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,406.96 : 40,558.14 = 19,345.80 : x
  2. Step 2: Convert to fraction form
    29,406.96/40,558.14 = 19,345.80/x
  3. Step 3: Cross multiply
    29,406.96x = 40,558.14 × 19,345.80
  4. Step 4: Simplify right side
    29,406.96x = 784,629,664.81
  5. Step 5: Solve for x
    x = 784,629,664.81/29,406.96
  6. Step 6: Final answer
    x = 26,681.77

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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.