Home / 30,360.24-45,545.22-12,830.24

Finding the Fourth Proportional to 30,360.24, 45,545.22 and 12,830.24

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Solution

The fourth proportional to 30,360.24, 45,545.22 and 12,830.24 is: 19,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.24 : 45,545.22 = 12,830.24 : x
  2. Step 2: Convert to fraction form
    30,360.24/45,545.22 = 12,830.24/x
  3. Step 3: Cross multiply
    30,360.24x = 45,545.22 × 12,830.24
  4. Step 4: Simplify right side
    30,360.24x = 584,356,103.45
  5. Step 5: Solve for x
    x = 584,356,103.45/30,360.24
  6. Step 6: Final answer
    x = 19,247.41

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1.5x scale

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.