Home / 35,725.86-49,290.45-20,616.53

Finding the Fourth Proportional to 35,725.86, 49,290.45 and 20,616.53

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Solution

The fourth proportional to 35,725.86, 49,290.45 and 20,616.53 is: 28,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,725.86 : 49,290.45 = 20,616.53 : x
  2. Step 2: Convert to fraction form
    35,725.86/49,290.45 = 20,616.53/x
  3. Step 3: Cross multiply
    35,725.86x = 49,290.45 × 20,616.53
  4. Step 4: Simplify right side
    35,725.86x = 1,016,197,794.69
  5. Step 5: Solve for x
    x = 1,016,197,794.69/35,725.86
  6. Step 6: Final answer
    x = 28,444.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.