Home / 30,558.18-45,860.73-13,696.38

Finding the Fourth Proportional to 30,558.18, 45,860.73 and 13,696.38

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Solution

The fourth proportional to 30,558.18, 45,860.73 and 13,696.38 is: 20,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.18 : 45,860.73 = 13,696.38 : x
  2. Step 2: Convert to fraction form
    30,558.18/45,860.73 = 13,696.38/x
  3. Step 3: Cross multiply
    30,558.18x = 45,860.73 × 13,696.38
  4. Step 4: Simplify right side
    30,558.18x = 628,125,985.16
  5. Step 5: Solve for x
    x = 628,125,985.16/30,558.18
  6. Step 6: Final answer
    x = 20,555.08

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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.