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Finding the Fourth Proportional to 29,972.61, 41,353.02 and 17,394.93

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Solution

The fourth proportional to 29,972.61, 41,353.02 and 17,394.93 is: 23,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,972.61 : 41,353.02 = 17,394.93 : x
  2. Step 2: Convert to fraction form
    29,972.61/41,353.02 = 17,394.93/x
  3. Step 3: Cross multiply
    29,972.61x = 41,353.02 × 17,394.93
  4. Step 4: Simplify right side
    29,972.61x = 719,332,888.19
  5. Step 5: Solve for x
    x = 719,332,888.19/29,972.61
  6. Step 6: Final answer
    x = 23,999.67

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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.