Home / 51,503.16-71,083.26-29,147.16

Finding the Fourth Proportional to 51,503.16, 71,083.26 and 29,147.16

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Solution

The fourth proportional to 51,503.16, 71,083.26 and 29,147.16 is: 40,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,503.16 : 71,083.26 = 29,147.16 : x
  2. Step 2: Convert to fraction form
    51,503.16/71,083.26 = 29,147.16/x
  3. Step 3: Cross multiply
    51,503.16x = 71,083.26 × 29,147.16
  4. Step 4: Simplify right side
    51,503.16x = 2,071,875,152.54
  5. Step 5: Solve for x
    x = 2,071,875,152.54/51,503.16
  6. Step 6: Final answer
    x = 40,228.12

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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.