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Finding the Fourth Proportional to 43,970.91, 65,978.23 and 35,095.33

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Solution

The fourth proportional to 43,970.91, 65,978.23 and 35,095.33 is: 52,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.91 : 65,978.23 = 35,095.33 : x
  2. Step 2: Convert to fraction form
    43,970.91/65,978.23 = 35,095.33/x
  3. Step 3: Cross multiply
    43,970.91x = 65,978.23 × 35,095.33
  4. Step 4: Simplify right side
    43,970.91x = 2,315,527,754.67
  5. Step 5: Solve for x
    x = 2,315,527,754.67/43,970.91
  6. Step 6: Final answer
    x = 52,660.45

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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.