Home / 43,128-59,516.64-29,887.68

Finding the Fourth Proportional to 43,128, 59,516.64 and 29,887.68

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Solution

The fourth proportional to 43,128, 59,516.64 and 29,887.68 is: 41,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,128 : 59,516.64 = 29,887.68 : x
  2. Step 2: Convert to fraction form
    43,128/59,516.64 = 29,887.68/x
  3. Step 3: Cross multiply
    43,128x = 59,516.64 × 29,887.68
  4. Step 4: Simplify right side
    43,128x = 1,778,814,291.00
  5. Step 5: Solve for x
    x = 1,778,814,291.00/43,128
  6. Step 6: Final answer
    x = 41,245.00

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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.