Home / 19,762.75-29,641.93-4,971.66

Finding the Fourth Proportional to 19,762.75, 29,641.93 and 4,971.66

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Solution

The fourth proportional to 19,762.75, 29,641.93 and 4,971.66 is: 7,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.75 : 29,641.93 = 4,971.66 : x
  2. Step 2: Convert to fraction form
    19,762.75/29,641.93 = 4,971.66/x
  3. Step 3: Cross multiply
    19,762.75x = 29,641.93 × 4,971.66
  4. Step 4: Simplify right side
    19,762.75x = 147,369,597.70
  5. Step 5: Solve for x
    x = 147,369,597.70/19,762.75
  6. Step 6: Final answer
    x = 7,456.94

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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.