Home / 63,021.69-86,971.79-34,729.20

Finding the Fourth Proportional to 63,021.69, 86,971.79 and 34,729.20

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Solution

The fourth proportional to 63,021.69, 86,971.79 and 34,729.20 is: 47,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,021.69 : 86,971.79 = 34,729.20 : x
  2. Step 2: Convert to fraction form
    63,021.69/86,971.79 = 34,729.20/x
  3. Step 3: Cross multiply
    63,021.69x = 86,971.79 × 34,729.20
  4. Step 4: Simplify right side
    63,021.69x = 3,020,460,689.27
  5. Step 5: Solve for x
    x = 3,020,460,689.27/63,021.69
  6. Step 6: Final answer
    x = 47,927.32

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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.