Home / 45,344.45-62,547.10-31,172.69

Finding the Fourth Proportional to 45,344.45, 62,547.10 and 31,172.69

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Solution

The fourth proportional to 45,344.45, 62,547.10 and 31,172.69 is: 42,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,344.45 : 62,547.10 = 31,172.69 : x
  2. Step 2: Convert to fraction form
    45,344.45/62,547.10 = 31,172.69/x
  3. Step 3: Cross multiply
    45,344.45x = 62,547.10 × 31,172.69
  4. Step 4: Simplify right side
    45,344.45x = 1,949,760,968.03
  5. Step 5: Solve for x
    x = 1,949,760,968.03/45,344.45
  6. Step 6: Final answer
    x = 42,998.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.