Home / 58,628.72-87,940.18-19,180.64

Finding the Fourth Proportional to 58,628.72, 87,940.18 and 19,180.64

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Solution

The fourth proportional to 58,628.72, 87,940.18 and 19,180.64 is: 28,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,628.72 : 87,940.18 = 19,180.64 : x
  2. Step 2: Convert to fraction form
    58,628.72/87,940.18 = 19,180.64/x
  3. Step 3: Cross multiply
    58,628.72x = 87,940.18 × 19,180.64
  4. Step 4: Simplify right side
    58,628.72x = 1,686,748,934.12
  5. Step 5: Solve for x
    x = 1,686,748,934.12/58,628.72
  6. Step 6: Final answer
    x = 28,770.01

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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.