Home / 40,639.92-56,087.31-23,412.87

Finding the Fourth Proportional to 40,639.92, 56,087.31 and 23,412.87

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Solution

The fourth proportional to 40,639.92, 56,087.31 and 23,412.87 is: 32,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.92 : 56,087.31 = 23,412.87 : x
  2. Step 2: Convert to fraction form
    40,639.92/56,087.31 = 23,412.87/x
  3. Step 3: Cross multiply
    40,639.92x = 56,087.31 × 23,412.87
  4. Step 4: Simplify right side
    40,639.92x = 1,313,164,897.68
  5. Step 5: Solve for x
    x = 1,313,164,897.68/40,639.92
  6. Step 6: Final answer
    x = 32,312.19

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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.