Home / 50,124.46-75,188.76-28,078.34

Finding the Fourth Proportional to 50,124.46, 75,188.76 and 28,078.34

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Solution

The fourth proportional to 50,124.46, 75,188.76 and 28,078.34 is: 42,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,124.46 : 75,188.76 = 28,078.34 : x
  2. Step 2: Convert to fraction form
    50,124.46/75,188.76 = 28,078.34/x
  3. Step 3: Cross multiply
    50,124.46x = 75,188.76 × 28,078.34
  4. Step 4: Simplify right side
    50,124.46x = 2,111,175,567.46
  5. Step 5: Solve for x
    x = 2,111,175,567.46/50,124.46
  6. Step 6: Final answer
    x = 42,118.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.