Home / 29,430.45-44,144.70-12,790.50

Finding the Fourth Proportional to 29,430.45, 44,144.70 and 12,790.50

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Solution

The fourth proportional to 29,430.45, 44,144.70 and 12,790.50 is: 19,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.45 : 44,144.70 = 12,790.50 : x
  2. Step 2: Convert to fraction form
    29,430.45/44,144.70 = 12,790.50/x
  3. Step 3: Cross multiply
    29,430.45x = 44,144.70 × 12,790.50
  4. Step 4: Simplify right side
    29,430.45x = 564,632,856.13
  5. Step 5: Solve for x
    x = 564,632,856.13/29,430.45
  6. Step 6: Final answer
    x = 19,185.33

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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.