Home / 58,631.49-87,914.43-19,178.01

Finding the Fourth Proportional to 58,631.49, 87,914.43 and 19,178.01

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Solution

The fourth proportional to 58,631.49, 87,914.43 and 19,178.01 is: 28,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,631.49 : 87,914.43 = 19,178.01 : x
  2. Step 2: Convert to fraction form
    58,631.49/87,914.43 = 19,178.01/x
  3. Step 3: Cross multiply
    58,631.49x = 87,914.43 × 19,178.01
  4. Step 4: Simplify right side
    58,631.49x = 1,686,023,817.68
  5. Step 5: Solve for x
    x = 1,686,023,817.68/58,631.49
  6. Step 6: Final answer
    x = 28,756.28

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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.