Home / 43,973.78-65,969.92-14,389.32

Finding the Fourth Proportional to 43,973.78, 65,969.92 and 14,389.32

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Solution

The fourth proportional to 43,973.78, 65,969.92 and 14,389.32 is: 21,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,973.78 : 65,969.92 = 14,389.32 : x
  2. Step 2: Convert to fraction form
    43,973.78/65,969.92 = 14,389.32/x
  3. Step 3: Cross multiply
    43,973.78x = 65,969.92 × 14,389.32
  4. Step 4: Simplify right side
    43,973.78x = 949,262,289.25
  5. Step 5: Solve for x
    x = 949,262,289.25/43,973.78
  6. Step 6: Final answer
    x = 21,587.01

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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.