Home / 50,475.50-69,657.63-28,120.94

Finding the Fourth Proportional to 50,475.50, 69,657.63 and 28,120.94

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Solution

The fourth proportional to 50,475.50, 69,657.63 and 28,120.94 is: 38,807.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,475.50 : 69,657.63 = 28,120.94 : x
  2. Step 2: Convert to fraction form
    50,475.50/69,657.63 = 28,120.94/x
  3. Step 3: Cross multiply
    50,475.50x = 69,657.63 × 28,120.94
  4. Step 4: Simplify right side
    50,475.50x = 1,958,838,033.77
  5. Step 5: Solve for x
    x = 1,958,838,033.77/50,475.50
  6. Step 6: Final answer
    x = 38,807.70

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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.