Home / 47,485.10-71,201.34-19,424.84

Finding the Fourth Proportional to 47,485.10, 71,201.34 and 19,424.84

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Solution

The fourth proportional to 47,485.10, 71,201.34 and 19,424.84 is: 29,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.10 : 71,201.34 = 19,424.84 : x
  2. Step 2: Convert to fraction form
    47,485.10/71,201.34 = 19,424.84/x
  3. Step 3: Cross multiply
    47,485.10x = 71,201.34 × 19,424.84
  4. Step 4: Simplify right side
    47,485.10x = 1,383,074,637.29
  5. Step 5: Solve for x
    x = 1,383,074,637.29/47,485.10
  6. Step 6: Final answer
    x = 29,126.50

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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.