Home / 47,970.56-66,181.96-27,816.32

Finding the Fourth Proportional to 47,970.56, 66,181.96 and 27,816.32

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Solution

The fourth proportional to 47,970.56, 66,181.96 and 27,816.32 is: 38,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,970.56 : 66,181.96 = 27,816.32 : x
  2. Step 2: Convert to fraction form
    47,970.56/66,181.96 = 27,816.32/x
  3. Step 3: Cross multiply
    47,970.56x = 66,181.96 × 27,816.32
  4. Step 4: Simplify right side
    47,970.56x = 1,840,938,577.59
  5. Step 5: Solve for x
    x = 1,840,938,577.59/47,970.56
  6. Step 6: Final answer
    x = 38,376.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.