Home / 43,024.93-64,530.73-21,980.53

Finding the Fourth Proportional to 43,024.93, 64,530.73 and 21,980.53

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Solution

The fourth proportional to 43,024.93, 64,530.73 and 21,980.53 is: 32,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,024.93 : 64,530.73 = 21,980.53 : x
  2. Step 2: Convert to fraction form
    43,024.93/64,530.73 = 21,980.53/x
  3. Step 3: Cross multiply
    43,024.93x = 64,530.73 × 21,980.53
  4. Step 4: Simplify right side
    43,024.93x = 1,418,419,646.69
  5. Step 5: Solve for x
    x = 1,418,419,646.69/43,024.93
  6. Step 6: Final answer
    x = 32,967.39

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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.