Home / 43,973.22-65,953.14-14,390.40

Finding the Fourth Proportional to 43,973.22, 65,953.14 and 14,390.40

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Solution

The fourth proportional to 43,973.22, 65,953.14 and 14,390.40 is: 21,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,973.22 : 65,953.14 = 14,390.40 : x
  2. Step 2: Convert to fraction form
    43,973.22/65,953.14 = 14,390.40/x
  3. Step 3: Cross multiply
    43,973.22x = 65,953.14 × 14,390.40
  4. Step 4: Simplify right side
    43,973.22x = 949,092,065.86
  5. Step 5: Solve for x
    x = 949,092,065.86/43,973.22
  6. Step 6: Final answer
    x = 21,583.41

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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.