Home / 50,870.84-70,198.32-28,208.99

Finding the Fourth Proportional to 50,870.84, 70,198.32 and 28,208.99

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Solution

The fourth proportional to 50,870.84, 70,198.32 and 28,208.99 is: 38,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,870.84 : 70,198.32 = 28,208.99 : x
  2. Step 2: Convert to fraction form
    50,870.84/70,198.32 = 28,208.99/x
  3. Step 3: Cross multiply
    50,870.84x = 70,198.32 × 28,208.99
  4. Step 4: Simplify right side
    50,870.84x = 1,980,223,706.90
  5. Step 5: Solve for x
    x = 1,980,223,706.90/50,870.84
  6. Step 6: Final answer
    x = 38,926.50

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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.