Home / 39,078.51-58,634.16-16,880.46

Finding the Fourth Proportional to 39,078.51, 58,634.16 and 16,880.46

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Solution

The fourth proportional to 39,078.51, 58,634.16 and 16,880.46 is: 25,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.51 : 58,634.16 = 16,880.46 : x
  2. Step 2: Convert to fraction form
    39,078.51/58,634.16 = 16,880.46/x
  3. Step 3: Cross multiply
    39,078.51x = 58,634.16 × 16,880.46
  4. Step 4: Simplify right side
    39,078.51x = 989,771,592.51
  5. Step 5: Solve for x
    x = 989,771,592.51/39,078.51
  6. Step 6: Final answer
    x = 25,327.77

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1.5x scale

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.