Home / 58,628.18-87,961.10-19,176.32

Finding the Fourth Proportional to 58,628.18, 87,961.10 and 19,176.32

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Solution

The fourth proportional to 58,628.18, 87,961.10 and 19,176.32 is: 28,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,628.18 : 87,961.10 = 19,176.32 : x
  2. Step 2: Convert to fraction form
    58,628.18/87,961.10 = 19,176.32/x
  3. Step 3: Cross multiply
    58,628.18x = 87,961.10 × 19,176.32
  4. Step 4: Simplify right side
    58,628.18x = 1,686,769,665.46
  5. Step 5: Solve for x
    x = 1,686,769,665.46/58,628.18
  6. Step 6: Final answer
    x = 28,770.63

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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.