Home / 50,888.20-70,226.44-30,742.28

Finding the Fourth Proportional to 50,888.20, 70,226.44 and 30,742.28

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Solution

The fourth proportional to 50,888.20, 70,226.44 and 30,742.28 is: 42,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,888.20 : 70,226.44 = 30,742.28 : x
  2. Step 2: Convert to fraction form
    50,888.20/70,226.44 = 30,742.28/x
  3. Step 3: Cross multiply
    50,888.20x = 70,226.44 × 30,742.28
  4. Step 4: Simplify right side
    50,888.20x = 2,158,920,881.88
  5. Step 5: Solve for x
    x = 2,158,920,881.88/50,888.20
  6. Step 6: Final answer
    x = 42,424.78

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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.