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Finding the Fourth Proportional to 50,627.79, 69,886.80 and 30,501.90

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Solution

The fourth proportional to 50,627.79, 69,886.80 and 30,501.90 is: 42,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,627.79 : 69,886.80 = 30,501.90 : x
  2. Step 2: Convert to fraction form
    50,627.79/69,886.80 = 30,501.90/x
  3. Step 3: Cross multiply
    50,627.79x = 69,886.80 × 30,501.90
  4. Step 4: Simplify right side
    50,627.79x = 2,131,680,184.92
  5. Step 5: Solve for x
    x = 2,131,680,184.92/50,627.79
  6. Step 6: Final answer
    x = 42,104.94

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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.