Home / 43,905.40-65,864.51-14,315.96

Finding the Fourth Proportional to 43,905.40, 65,864.51 and 14,315.96

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Solution

The fourth proportional to 43,905.40, 65,864.51 and 14,315.96 is: 21,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,905.40 : 65,864.51 = 14,315.96 : x
  2. Step 2: Convert to fraction form
    43,905.40/65,864.51 = 14,315.96/x
  3. Step 3: Cross multiply
    43,905.40x = 65,864.51 × 14,315.96
  4. Step 4: Simplify right side
    43,905.40x = 942,913,837.35
  5. Step 5: Solve for x
    x = 942,913,837.35/43,905.40
  6. Step 6: Final answer
    x = 21,476.03

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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.