Home / 35,547.12-49,055.76-21,396.96

Finding the Fourth Proportional to 35,547.12, 49,055.76 and 21,396.96

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Solution

The fourth proportional to 35,547.12, 49,055.76 and 21,396.96 is: 29,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,547.12 : 49,055.76 = 21,396.96 : x
  2. Step 2: Convert to fraction form
    35,547.12/49,055.76 = 21,396.96/x
  3. Step 3: Cross multiply
    35,547.12x = 49,055.76 × 21,396.96
  4. Step 4: Simplify right side
    35,547.12x = 1,049,644,134.49
  5. Step 5: Solve for x
    x = 1,049,644,134.49/35,547.12
  6. Step 6: Final answer
    x = 29,528.25

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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.