Home / 50,840.87-70,162.74-28,180.34

Finding the Fourth Proportional to 50,840.87, 70,162.74 and 28,180.34

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Solution

The fourth proportional to 50,840.87, 70,162.74 and 28,180.34 is: 38,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,840.87 : 70,162.74 = 28,180.34 : x
  2. Step 2: Convert to fraction form
    50,840.87/70,162.74 = 28,180.34/x
  3. Step 3: Cross multiply
    50,840.87x = 70,162.74 × 28,180.34
  4. Step 4: Simplify right side
    50,840.87x = 1,977,209,780.83
  5. Step 5: Solve for x
    x = 1,977,209,780.83/50,840.87
  6. Step 6: Final answer
    x = 38,890.17

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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.