Home / 47,033.96-70,572.54-20,388.08

Finding the Fourth Proportional to 47,033.96, 70,572.54 and 20,388.08

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Solution

The fourth proportional to 47,033.96, 70,572.54 and 20,388.08 is: 30,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,033.96 : 70,572.54 = 20,388.08 : x
  2. Step 2: Convert to fraction form
    47,033.96/70,572.54 = 20,388.08/x
  3. Step 3: Cross multiply
    47,033.96x = 70,572.54 × 20,388.08
  4. Step 4: Simplify right side
    47,033.96x = 1,438,838,591.32
  5. Step 5: Solve for x
    x = 1,438,838,591.32/47,033.96
  6. Step 6: Final answer
    x = 30,591.48

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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.