Home / 56,157.47-84,208.03-18,704.37

Finding the Fourth Proportional to 56,157.47, 84,208.03 and 18,704.37

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Solution

The fourth proportional to 56,157.47, 84,208.03 and 18,704.37 is: 28,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,157.47 : 84,208.03 = 18,704.37 : x
  2. Step 2: Convert to fraction form
    56,157.47/84,208.03 = 18,704.37/x
  3. Step 3: Cross multiply
    56,157.47x = 84,208.03 × 18,704.37
  4. Step 4: Simplify right side
    56,157.47x = 1,575,058,150.09
  5. Step 5: Solve for x
    x = 1,575,058,150.09/56,157.47
  6. Step 6: Final answer
    x = 28,047.17

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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.