Home / 39,411.59-54,389.51-22,417.41

Finding the Fourth Proportional to 39,411.59, 54,389.51 and 22,417.41

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Solution

The fourth proportional to 39,411.59, 54,389.51 and 22,417.41 is: 30,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411.59 : 54,389.51 = 22,417.41 : x
  2. Step 2: Convert to fraction form
    39,411.59/54,389.51 = 22,417.41/x
  3. Step 3: Cross multiply
    39,411.59x = 54,389.51 × 22,417.41
  4. Step 4: Simplify right side
    39,411.59x = 1,219,271,945.37
  5. Step 5: Solve for x
    x = 1,219,271,945.37/39,411.59
  6. Step 6: Final answer
    x = 30,936.89

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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.