Home / 30,312.98-45,469.56-10,591.54

Finding the Fourth Proportional to 30,312.98, 45,469.56 and 10,591.54

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Solution

The fourth proportional to 30,312.98, 45,469.56 and 10,591.54 is: 15,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,312.98 : 45,469.56 = 10,591.54 : x
  2. Step 2: Convert to fraction form
    30,312.98/45,469.56 = 10,591.54/x
  3. Step 3: Cross multiply
    30,312.98x = 45,469.56 × 10,591.54
  4. Step 4: Simplify right side
    30,312.98x = 481,592,663.52
  5. Step 5: Solve for x
    x = 481,592,663.52/30,312.98
  6. Step 6: Final answer
    x = 15,887.34

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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.