Home / 39,913.68-59,876.66-13,612.28

Finding the Fourth Proportional to 39,913.68, 59,876.66 and 13,612.28

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Solution

The fourth proportional to 39,913.68, 59,876.66 and 13,612.28 is: 20,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.68 : 59,876.66 = 13,612.28 : x
  2. Step 2: Convert to fraction form
    39,913.68/59,876.66 = 13,612.28/x
  3. Step 3: Cross multiply
    39,913.68x = 59,876.66 × 13,612.28
  4. Step 4: Simplify right side
    39,913.68x = 815,057,596.03
  5. Step 5: Solve for x
    x = 815,057,596.03/39,913.68
  6. Step 6: Final answer
    x = 20,420.51

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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.