Home / 43,710.76-65,566.48-14,128.58

Finding the Fourth Proportional to 43,710.76, 65,566.48 and 14,128.58

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Solution

The fourth proportional to 43,710.76, 65,566.48 and 14,128.58 is: 21,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,710.76 : 65,566.48 = 14,128.58 : x
  2. Step 2: Convert to fraction form
    43,710.76/65,566.48 = 14,128.58/x
  3. Step 3: Cross multiply
    43,710.76x = 65,566.48 × 14,128.58
  4. Step 4: Simplify right side
    43,710.76x = 926,361,258.00
  5. Step 5: Solve for x
    x = 926,361,258.00/43,710.76
  6. Step 6: Final answer
    x = 21,192.98

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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.