Home / 43,110.14-64,646.36-21,749.72

Finding the Fourth Proportional to 43,110.14, 64,646.36 and 21,749.72

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Solution

The fourth proportional to 43,110.14, 64,646.36 and 21,749.72 is: 32,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,110.14 : 64,646.36 = 21,749.72 : x
  2. Step 2: Convert to fraction form
    43,110.14/64,646.36 = 21,749.72/x
  3. Step 3: Cross multiply
    43,110.14x = 64,646.36 × 21,749.72
  4. Step 4: Simplify right side
    43,110.14x = 1,406,039,960.16
  5. Step 5: Solve for x
    x = 1,406,039,960.16/43,110.14
  6. Step 6: Final answer
    x = 32,615.06

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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.