Home / 35,684.94-53,529.14-19,878.10

Finding the Fourth Proportional to 35,684.94, 53,529.14 and 19,878.10

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Solution

The fourth proportional to 35,684.94, 53,529.14 and 19,878.10 is: 29,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684.94 : 53,529.14 = 19,878.10 : x
  2. Step 2: Convert to fraction form
    35,684.94/53,529.14 = 19,878.10/x
  3. Step 3: Cross multiply
    35,684.94x = 53,529.14 × 19,878.10
  4. Step 4: Simplify right side
    35,684.94x = 1,064,057,597.83
  5. Step 5: Solve for x
    x = 1,064,057,597.83/35,684.94
  6. Step 6: Final answer
    x = 29,818.11

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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.