Home / 58,148.40-87,222.94-20,709.92

Finding the Fourth Proportional to 58,148.40, 87,222.94 and 20,709.92

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Solution

The fourth proportional to 58,148.40, 87,222.94 and 20,709.92 is: 31,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,148.40 : 87,222.94 = 20,709.92 : x
  2. Step 2: Convert to fraction form
    58,148.40/87,222.94 = 20,709.92/x
  3. Step 3: Cross multiply
    58,148.40x = 87,222.94 × 20,709.92
  4. Step 4: Simplify right side
    58,148.40x = 1,806,380,109.56
  5. Step 5: Solve for x
    x = 1,806,380,109.56/58,148.40
  6. Step 6: Final answer
    x = 31,065.00

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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.