Home / 39,411.36-54,388.29-22,415.16

Finding the Fourth Proportional to 39,411.36, 54,388.29 and 22,415.16

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Solution

The fourth proportional to 39,411.36, 54,388.29 and 22,415.16 is: 30,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411.36 : 54,388.29 = 22,415.16 : x
  2. Step 2: Convert to fraction form
    39,411.36/54,388.29 = 22,415.16/x
  3. Step 3: Cross multiply
    39,411.36x = 54,388.29 × 22,415.16
  4. Step 4: Simplify right side
    39,411.36x = 1,219,122,222.48
  5. Step 5: Solve for x
    x = 1,219,122,222.48/39,411.36
  6. Step 6: Final answer
    x = 30,933.27

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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.