Home / 35,345.36-48,814.65-21,948.44

Finding the Fourth Proportional to 35,345.36, 48,814.65 and 21,948.44

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Solution

The fourth proportional to 35,345.36, 48,814.65 and 21,948.44 is: 30,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.36 : 48,814.65 = 21,948.44 : x
  2. Step 2: Convert to fraction form
    35,345.36/48,814.65 = 21,948.44/x
  3. Step 3: Cross multiply
    35,345.36x = 48,814.65 × 21,948.44
  4. Step 4: Simplify right side
    35,345.36x = 1,071,405,172.57
  5. Step 5: Solve for x
    x = 1,071,405,172.57/35,345.36
  6. Step 6: Final answer
    x = 30,312.47

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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.