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Finding the Fourth Proportional to 50,894.01, 70,233.75 and 28,538.01

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Solution

The fourth proportional to 50,894.01, 70,233.75 and 28,538.01 is: 39,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,894.01 : 70,233.75 = 28,538.01 : x
  2. Step 2: Convert to fraction form
    50,894.01/70,233.75 = 28,538.01/x
  3. Step 3: Cross multiply
    50,894.01x = 70,233.75 × 28,538.01
  4. Step 4: Simplify right side
    50,894.01x = 2,004,331,459.84
  5. Step 5: Solve for x
    x = 2,004,331,459.84/50,894.01
  6. Step 6: Final answer
    x = 39,382.46

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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.