Home / 43,218-64,837.94-12,053.25

Finding the Fourth Proportional to 43,218, 64,837.94 and 12,053.25

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Solution

The fourth proportional to 43,218, 64,837.94 and 12,053.25 is: 18,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,218 : 64,837.94 = 12,053.25 : x
  2. Step 2: Convert to fraction form
    43,218/64,837.94 = 12,053.25/x
  3. Step 3: Cross multiply
    43,218x = 64,837.94 × 12,053.25
  4. Step 4: Simplify right side
    43,218x = 781,507,900.31
  5. Step 5: Solve for x
    x = 781,507,900.31/43,218
  6. Step 6: Final answer
    x = 18,082.93

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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.