Home / 58,053.96-87,075-18,639.36

Finding the Fourth Proportional to 58,053.96, 87,075 and 18,639.36

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Solution

The fourth proportional to 58,053.96, 87,075 and 18,639.36 is: 27,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,053.96 : 87,075 = 18,639.36 : x
  2. Step 2: Convert to fraction form
    58,053.96/87,075 = 18,639.36/x
  3. Step 3: Cross multiply
    58,053.96x = 87,075 × 18,639.36
  4. Step 4: Simplify right side
    58,053.96x = 1,623,022,272
  5. Step 5: Solve for x
    x = 1,623,022,272/58,053.96
  6. Step 6: Final answer
    x = 27,957.13

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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.