Home / 47,999.03-71,967.62-19,938.40

Finding the Fourth Proportional to 47,999.03, 71,967.62 and 19,938.40

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Solution

The fourth proportional to 47,999.03, 71,967.62 and 19,938.40 is: 29,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,999.03 : 71,967.62 = 19,938.40 : x
  2. Step 2: Convert to fraction form
    47,999.03/71,967.62 = 19,938.40/x
  3. Step 3: Cross multiply
    47,999.03x = 71,967.62 × 19,938.40
  4. Step 4: Simplify right side
    47,999.03x = 1,434,919,064.53
  5. Step 5: Solve for x
    x = 1,434,919,064.53/47,999.03
  6. Step 6: Final answer
    x = 29,894.75

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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.