Home / 50,809.63-70,116.38-28,148.55

Finding the Fourth Proportional to 50,809.63, 70,116.38 and 28,148.55

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Solution

The fourth proportional to 50,809.63, 70,116.38 and 28,148.55 is: 38,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.63 : 70,116.38 = 28,148.55 : x
  2. Step 2: Convert to fraction form
    50,809.63/70,116.38 = 28,148.55/x
  3. Step 3: Cross multiply
    50,809.63x = 70,116.38 × 28,148.55
  4. Step 4: Simplify right side
    50,809.63x = 1,973,673,936.92
  5. Step 5: Solve for x
    x = 1,973,673,936.92/50,809.63
  6. Step 6: Final answer
    x = 38,844.49

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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.