Home / 43,864.56-65,779.68-14,275.20

Finding the Fourth Proportional to 43,864.56, 65,779.68 and 14,275.20

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Solution

The fourth proportional to 43,864.56, 65,779.68 and 14,275.20 is: 21,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,864.56 : 65,779.68 = 14,275.20 : x
  2. Step 2: Convert to fraction form
    43,864.56/65,779.68 = 14,275.20/x
  3. Step 3: Cross multiply
    43,864.56x = 65,779.68 × 14,275.20
  4. Step 4: Simplify right side
    43,864.56x = 939,018,087.94
  5. Step 5: Solve for x
    x = 939,018,087.94/43,864.56
  6. Step 6: Final answer
    x = 21,407.22

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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.