Home / 52,274.45-72,138.36-28,401.32

Finding the Fourth Proportional to 52,274.45, 72,138.36 and 28,401.32

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Solution

The fourth proportional to 52,274.45, 72,138.36 and 28,401.32 is: 39,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,274.45 : 72,138.36 = 28,401.32 : x
  2. Step 2: Convert to fraction form
    52,274.45/72,138.36 = 28,401.32/x
  3. Step 3: Cross multiply
    52,274.45x = 72,138.36 × 28,401.32
  4. Step 4: Simplify right side
    52,274.45x = 2,048,824,646.64
  5. Step 5: Solve for x
    x = 2,048,824,646.64/52,274.45
  6. Step 6: Final answer
    x = 39,193.61

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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.