Home / 34,705.77-47,893.98-18,790.21

Finding the Fourth Proportional to 34,705.77, 47,893.98 and 18,790.21

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Solution

The fourth proportional to 34,705.77, 47,893.98 and 18,790.21 is: 25,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,705.77 : 47,893.98 = 18,790.21 : x
  2. Step 2: Convert to fraction form
    34,705.77/47,893.98 = 18,790.21/x
  3. Step 3: Cross multiply
    34,705.77x = 47,893.98 × 18,790.21
  4. Step 4: Simplify right side
    34,705.77x = 899,937,941.94
  5. Step 5: Solve for x
    x = 899,937,941.94/34,705.77
  6. Step 6: Final answer
    x = 25,930.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.