Home / 40,938.90-61,386.48-14,629.29

Finding the Fourth Proportional to 40,938.90, 61,386.48 and 14,629.29

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Solution

The fourth proportional to 40,938.90, 61,386.48 and 14,629.29 is: 21,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,938.90 : 61,386.48 = 14,629.29 : x
  2. Step 2: Convert to fraction form
    40,938.90/61,386.48 = 14,629.29/x
  3. Step 3: Cross multiply
    40,938.90x = 61,386.48 × 14,629.29
  4. Step 4: Simplify right side
    40,938.90x = 898,040,618.00
  5. Step 5: Solve for x
    x = 898,040,618.00/40,938.90
  6. Step 6: Final answer
    x = 21,936.12

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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.