Home / 39,979.72-59,969.78-16,606.18

Finding the Fourth Proportional to 39,979.72, 59,969.78 and 16,606.18

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Solution

The fourth proportional to 39,979.72, 59,969.78 and 16,606.18 is: 24,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,979.72 : 59,969.78 = 16,606.18 : x
  2. Step 2: Convert to fraction form
    39,979.72/59,969.78 = 16,606.18/x
  3. Step 3: Cross multiply
    39,979.72x = 59,969.78 × 16,606.18
  4. Step 4: Simplify right side
    39,979.72x = 995,868,961.24
  5. Step 5: Solve for x
    x = 995,868,961.24/39,979.72
  6. Step 6: Final answer
    x = 24,909.35

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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.