Home / 50,840.16-70,156.08-28,479.84

Finding the Fourth Proportional to 50,840.16, 70,156.08 and 28,479.84

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Solution

The fourth proportional to 50,840.16, 70,156.08 and 28,479.84 is: 39,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,840.16 : 70,156.08 = 28,479.84 : x
  2. Step 2: Convert to fraction form
    50,840.16/70,156.08 = 28,479.84/x
  3. Step 3: Cross multiply
    50,840.16x = 70,156.08 × 28,479.84
  4. Step 4: Simplify right side
    50,840.16x = 1,998,033,933.43
  5. Step 5: Solve for x
    x = 1,998,033,933.43/50,840.16
  6. Step 6: Final answer
    x = 39,300.31

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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.