Home / 47,970.28-71,947.32-12,902.14

Finding the Fourth Proportional to 47,970.28, 71,947.32 and 12,902.14

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Solution

The fourth proportional to 47,970.28, 71,947.32 and 12,902.14 is: 19,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,970.28 : 71,947.32 = 12,902.14 : x
  2. Step 2: Convert to fraction form
    47,970.28/71,947.32 = 12,902.14/x
  3. Step 3: Cross multiply
    47,970.28x = 71,947.32 × 12,902.14
  4. Step 4: Simplify right side
    47,970.28x = 928,274,395.26
  5. Step 5: Solve for x
    x = 928,274,395.26/47,970.28
  6. Step 6: Final answer
    x = 19,351.03

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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.