Home / 39,385.69-59,078.43-16,881.77

Finding the Fourth Proportional to 39,385.69, 59,078.43 and 16,881.77

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Solution

The fourth proportional to 39,385.69, 59,078.43 and 16,881.77 is: 25,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,385.69 : 59,078.43 = 16,881.77 : x
  2. Step 2: Convert to fraction form
    39,385.69/59,078.43 = 16,881.77/x
  3. Step 3: Cross multiply
    39,385.69x = 59,078.43 × 16,881.77
  4. Step 4: Simplify right side
    39,385.69x = 997,348,478.43
  5. Step 5: Solve for x
    x = 997,348,478.43/39,385.69
  6. Step 6: Final answer
    x = 25,322.61

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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.