Home / 58,299.68-87,440.18-20,852.78

Finding the Fourth Proportional to 58,299.68, 87,440.18 and 20,852.78

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Solution

The fourth proportional to 58,299.68, 87,440.18 and 20,852.78 is: 31,275.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,299.68 : 87,440.18 = 20,852.78 : x
  2. Step 2: Convert to fraction form
    58,299.68/87,440.18 = 20,852.78/x
  3. Step 3: Cross multiply
    58,299.68x = 87,440.18 × 20,852.78
  4. Step 4: Simplify right side
    58,299.68x = 1,823,370,295.24
  5. Step 5: Solve for x
    x = 1,823,370,295.24/58,299.68
  6. Step 6: Final answer
    x = 31,275.82

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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.