Home / 50,830.32-70,144.84-28,168.84

Finding the Fourth Proportional to 50,830.32, 70,144.84 and 28,168.84

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Solution

The fourth proportional to 50,830.32, 70,144.84 and 28,168.84 is: 38,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,830.32 : 70,144.84 = 28,168.84 : x
  2. Step 2: Convert to fraction form
    50,830.32/70,144.84 = 28,168.84/x
  3. Step 3: Cross multiply
    50,830.32x = 70,144.84 × 28,168.84
  4. Step 4: Simplify right side
    50,830.32x = 1,975,898,985.83
  5. Step 5: Solve for x
    x = 1,975,898,985.83/50,830.32
  6. Step 6: Final answer
    x = 38,872.45

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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.