Home / 43,036.43-64,569.23-21,985.34

Finding the Fourth Proportional to 43,036.43, 64,569.23 and 21,985.34

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Solution

The fourth proportional to 43,036.43, 64,569.23 and 21,985.34 is: 32,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,036.43 : 64,569.23 = 21,985.34 : x
  2. Step 2: Convert to fraction form
    43,036.43/64,569.23 = 21,985.34/x
  3. Step 3: Cross multiply
    43,036.43x = 64,569.23 × 21,985.34
  4. Step 4: Simplify right side
    43,036.43x = 1,419,576,475.09
  5. Step 5: Solve for x
    x = 1,419,576,475.09/43,036.43
  6. Step 6: Final answer
    x = 32,985.46

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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.