Home / 45,385.36-68,077.92-19,108.48

Finding the Fourth Proportional to 45,385.36, 68,077.92 and 19,108.48

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Solution

The fourth proportional to 45,385.36, 68,077.92 and 19,108.48 is: 28,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,385.36 : 68,077.92 = 19,108.48 : x
  2. Step 2: Convert to fraction form
    45,385.36/68,077.92 = 19,108.48/x
  3. Step 3: Cross multiply
    45,385.36x = 68,077.92 × 19,108.48
  4. Step 4: Simplify right side
    45,385.36x = 1,300,865,572.76
  5. Step 5: Solve for x
    x = 1,300,865,572.76/45,385.36
  6. Step 6: Final answer
    x = 28,662.67

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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.