Home / 35,491.77-53,222.06-13,289.57

Finding the Fourth Proportional to 35,491.77, 53,222.06 and 13,289.57

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Solution

The fourth proportional to 35,491.77, 53,222.06 and 13,289.57 is: 19,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.77 : 53,222.06 = 13,289.57 : x
  2. Step 2: Convert to fraction form
    35,491.77/53,222.06 = 13,289.57/x
  3. Step 3: Cross multiply
    35,491.77x = 53,222.06 × 13,289.57
  4. Step 4: Simplify right side
    35,491.77x = 707,298,458.19
  5. Step 5: Solve for x
    x = 707,298,458.19/35,491.77
  6. Step 6: Final answer
    x = 19,928.52

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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.