Home / 43,905.84-65,865.17-14,316.40

Finding the Fourth Proportional to 43,905.84, 65,865.17 and 14,316.40

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Solution

The fourth proportional to 43,905.84, 65,865.17 and 14,316.40 is: 21,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,905.84 : 65,865.17 = 14,316.40 : x
  2. Step 2: Convert to fraction form
    43,905.84/65,865.17 = 14,316.40/x
  3. Step 3: Cross multiply
    43,905.84x = 65,865.17 × 14,316.40
  4. Step 4: Simplify right side
    43,905.84x = 942,952,119.79
  5. Step 5: Solve for x
    x = 942,952,119.79/43,905.84
  6. Step 6: Final answer
    x = 21,476.69

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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.