Home / 35,547.02-53,323.36-20,757.43

Finding the Fourth Proportional to 35,547.02, 53,323.36 and 20,757.43

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Solution

The fourth proportional to 35,547.02, 53,323.36 and 20,757.43 is: 31,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,547.02 : 53,323.36 = 20,757.43 : x
  2. Step 2: Convert to fraction form
    35,547.02/53,323.36 = 20,757.43/x
  3. Step 3: Cross multiply
    35,547.02x = 53,323.36 × 20,757.43
  4. Step 4: Simplify right side
    35,547.02x = 1,106,855,912.56
  5. Step 5: Solve for x
    x = 1,106,855,912.56/35,547.02
  6. Step 6: Final answer
    x = 31,137.80

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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.