Home / 50,815.33-70,119.37-28,148.67

Finding the Fourth Proportional to 50,815.33, 70,119.37 and 28,148.67

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Solution

The fourth proportional to 50,815.33, 70,119.37 and 28,148.67 is: 38,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,815.33 : 70,119.37 = 28,148.67 : x
  2. Step 2: Convert to fraction form
    50,815.33/70,119.37 = 28,148.67/x
  3. Step 3: Cross multiply
    50,815.33x = 70,119.37 × 28,148.67
  4. Step 4: Simplify right side
    50,815.33x = 1,973,767,006.74
  5. Step 5: Solve for x
    x = 1,973,767,006.74/50,815.33
  6. Step 6: Final answer
    x = 38,841.96

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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.