Home / 43,905.64-65,864.80-14,316.16

Finding the Fourth Proportional to 43,905.64, 65,864.80 and 14,316.16

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Solution

The fourth proportional to 43,905.64, 65,864.80 and 14,316.16 is: 21,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,905.64 : 65,864.80 = 14,316.16 : x
  2. Step 2: Convert to fraction form
    43,905.64/65,864.80 = 14,316.16/x
  3. Step 3: Cross multiply
    43,905.64x = 65,864.80 × 14,316.16
  4. Step 4: Simplify right side
    43,905.64x = 942,931,015.17
  5. Step 5: Solve for x
    x = 942,931,015.17/43,905.64
  6. Step 6: Final answer
    x = 21,476.31

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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.