Home / 47,381.06-71,071.24-19,294.51

Finding the Fourth Proportional to 47,381.06, 71,071.24 and 19,294.51

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Solution

The fourth proportional to 47,381.06, 71,071.24 and 19,294.51 is: 28,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381.06 : 71,071.24 = 19,294.51 : x
  2. Step 2: Convert to fraction form
    47,381.06/71,071.24 = 19,294.51/x
  3. Step 3: Cross multiply
    47,381.06x = 71,071.24 × 19,294.51
  4. Step 4: Simplify right side
    47,381.06x = 1,371,284,750.89
  5. Step 5: Solve for x
    x = 1,371,284,750.89/47,381.06
  6. Step 6: Final answer
    x = 28,941.62

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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.