Home / 43,017.56-64,496.84-21,916.76

Finding the Fourth Proportional to 43,017.56, 64,496.84 and 21,916.76

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Solution

The fourth proportional to 43,017.56, 64,496.84 and 21,916.76 is: 32,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,017.56 : 64,496.84 = 21,916.76 : x
  2. Step 2: Convert to fraction form
    43,017.56/64,496.84 = 21,916.76/x
  3. Step 3: Cross multiply
    43,017.56x = 64,496.84 × 21,916.76
  4. Step 4: Simplify right side
    43,017.56x = 1,413,561,763.04
  5. Step 5: Solve for x
    x = 1,413,561,763.04/43,017.56
  6. Step 6: Final answer
    x = 32,860.11

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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.