Home / 58,239.28-87,377.36-20,798.56

Finding the Fourth Proportional to 58,239.28, 87,377.36 and 20,798.56

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Solution

The fourth proportional to 58,239.28, 87,377.36 and 20,798.56 is: 31,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,239.28 : 87,377.36 = 20,798.56 : x
  2. Step 2: Convert to fraction form
    58,239.28/87,377.36 = 20,798.56/x
  3. Step 3: Cross multiply
    58,239.28x = 87,377.36 × 20,798.56
  4. Step 4: Simplify right side
    58,239.28x = 1,817,323,264.60
  5. Step 5: Solve for x
    x = 1,817,323,264.60/58,239.28
  6. Step 6: Final answer
    x = 31,204.43

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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.