Home / 34,620.57-47,776.37-18,705.01

Finding the Fourth Proportional to 34,620.57, 47,776.37 and 18,705.01

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Solution

The fourth proportional to 34,620.57, 47,776.37 and 18,705.01 is: 25,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,620.57 : 47,776.37 = 18,705.01 : x
  2. Step 2: Convert to fraction form
    34,620.57/47,776.37 = 18,705.01/x
  3. Step 3: Cross multiply
    34,620.57x = 47,776.37 × 18,705.01
  4. Step 4: Simplify right side
    34,620.57x = 893,657,478.61
  5. Step 5: Solve for x
    x = 893,657,478.61/34,620.57
  6. Step 6: Final answer
    x = 25,812.90

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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.