Home / 39,101.79-58,660.88-16,918.32

Finding the Fourth Proportional to 39,101.79, 58,660.88 and 16,918.32

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Solution

The fourth proportional to 39,101.79, 58,660.88 and 16,918.32 is: 25,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,101.79 : 58,660.88 = 16,918.32 : x
  2. Step 2: Convert to fraction form
    39,101.79/58,660.88 = 16,918.32/x
  3. Step 3: Cross multiply
    39,101.79x = 58,660.88 × 16,918.32
  4. Step 4: Simplify right side
    39,101.79x = 992,443,246.02
  5. Step 5: Solve for x
    x = 992,443,246.02/39,101.79
  6. Step 6: Final answer
    x = 25,381.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.