Home / 47,411.10-71,120.70-14,129.10

Finding the Fourth Proportional to 47,411.10, 71,120.70 and 14,129.10

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Solution

The fourth proportional to 47,411.10, 71,120.70 and 14,129.10 is: 21,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,411.10 : 71,120.70 = 14,129.10 : x
  2. Step 2: Convert to fraction form
    47,411.10/71,120.70 = 14,129.10/x
  3. Step 3: Cross multiply
    47,411.10x = 71,120.70 × 14,129.10
  4. Step 4: Simplify right side
    47,411.10x = 1,004,871,482.37
  5. Step 5: Solve for x
    x = 1,004,871,482.37/47,411.10
  6. Step 6: Final answer
    x = 21,194.86

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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.