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Finding the Fourth Proportional to 30,047.72, 45,052.50 and 15,999.08

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Solution

The fourth proportional to 30,047.72, 45,052.50 and 15,999.08 is: 23,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.72 : 45,052.50 = 15,999.08 : x
  2. Step 2: Convert to fraction form
    30,047.72/45,052.50 = 15,999.08/x
  3. Step 3: Cross multiply
    30,047.72x = 45,052.50 × 15,999.08
  4. Step 4: Simplify right side
    30,047.72x = 720,798,551.70
  5. Step 5: Solve for x
    x = 720,798,551.70/30,047.72
  6. Step 6: Final answer
    x = 23,988.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.