Home / 35,665.89-53,529.21-19,886.28

Finding the Fourth Proportional to 35,665.89, 53,529.21 and 19,886.28

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Solution

The fourth proportional to 35,665.89, 53,529.21 and 19,886.28 is: 29,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.89 : 53,529.21 = 19,886.28 : x
  2. Step 2: Convert to fraction form
    35,665.89/53,529.21 = 19,886.28/x
  3. Step 3: Cross multiply
    35,665.89x = 53,529.21 × 19,886.28
  4. Step 4: Simplify right side
    35,665.89x = 1,064,496,858.24
  5. Step 5: Solve for x
    x = 1,064,496,858.24/35,665.89
  6. Step 6: Final answer
    x = 29,846.36

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1.5x scale

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.