Home / 47,528.73-71,278.69-19,820.25

Finding the Fourth Proportional to 47,528.73, 71,278.69 and 19,820.25

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Solution

The fourth proportional to 47,528.73, 71,278.69 and 19,820.25 is: 29,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,528.73 : 71,278.69 = 19,820.25 : x
  2. Step 2: Convert to fraction form
    47,528.73/71,278.69 = 19,820.25/x
  3. Step 3: Cross multiply
    47,528.73x = 71,278.69 × 19,820.25
  4. Step 4: Simplify right side
    47,528.73x = 1,412,761,455.47
  5. Step 5: Solve for x
    x = 1,412,761,455.47/47,528.73
  6. Step 6: Final answer
    x = 29,724.37

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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.