Home / 50,731.35-70,011.33-28,069.98

Finding the Fourth Proportional to 50,731.35, 70,011.33 and 28,069.98

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Solution

The fourth proportional to 50,731.35, 70,011.33 and 28,069.98 is: 38,737.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.35 : 70,011.33 = 28,069.98 : x
  2. Step 2: Convert to fraction form
    50,731.35/70,011.33 = 28,069.98/x
  3. Step 3: Cross multiply
    50,731.35x = 70,011.33 × 28,069.98
  4. Step 4: Simplify right side
    50,731.35x = 1,965,216,632.87
  5. Step 5: Solve for x
    x = 1,965,216,632.87/50,731.35
  6. Step 6: Final answer
    x = 38,737.72

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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.