Home / 43,913.90-65,848.44-14,312.72

Finding the Fourth Proportional to 43,913.90, 65,848.44 and 14,312.72

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Solution

The fourth proportional to 43,913.90, 65,848.44 and 14,312.72 is: 21,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,913.90 : 65,848.44 = 14,312.72 : x
  2. Step 2: Convert to fraction form
    43,913.90/65,848.44 = 14,312.72/x
  3. Step 3: Cross multiply
    43,913.90x = 65,848.44 × 14,312.72
  4. Step 4: Simplify right side
    43,913.90x = 942,470,284.16
  5. Step 5: Solve for x
    x = 942,470,284.16/43,913.90
  6. Step 6: Final answer
    x = 21,461.78

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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.