Home / 30,558.24-45,826.74-14,545.80

Finding the Fourth Proportional to 30,558.24, 45,826.74 and 14,545.80

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Solution

The fourth proportional to 30,558.24, 45,826.74 and 14,545.80 is: 21,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.24 : 45,826.74 = 14,545.80 : x
  2. Step 2: Convert to fraction form
    30,558.24/45,826.74 = 14,545.80/x
  3. Step 3: Cross multiply
    30,558.24x = 45,826.74 × 14,545.80
  4. Step 4: Simplify right side
    30,558.24x = 666,586,594.69
  5. Step 5: Solve for x
    x = 666,586,594.69/30,558.24
  6. Step 6: Final answer
    x = 21,813.64

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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.