Home / 35,503.80-48,997.62-20,401.35

Finding the Fourth Proportional to 35,503.80, 48,997.62 and 20,401.35

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Solution

The fourth proportional to 35,503.80, 48,997.62 and 20,401.35 is: 28,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503.80 : 48,997.62 = 20,401.35 : x
  2. Step 2: Convert to fraction form
    35,503.80/48,997.62 = 20,401.35/x
  3. Step 3: Cross multiply
    35,503.80x = 48,997.62 × 20,401.35
  4. Step 4: Simplify right side
    35,503.80x = 999,617,594.79
  5. Step 5: Solve for x
    x = 999,617,594.79/35,503.80
  6. Step 6: Final answer
    x = 28,155.23

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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.