Home / 61,230.53-91,826.36-19,667.81

Finding the Fourth Proportional to 61,230.53, 91,826.36 and 19,667.81

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Solution

The fourth proportional to 61,230.53, 91,826.36 and 19,667.81 is: 29,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,230.53 : 91,826.36 = 19,667.81 : x
  2. Step 2: Convert to fraction form
    61,230.53/91,826.36 = 19,667.81/x
  3. Step 3: Cross multiply
    61,230.53x = 91,826.36 × 19,667.81
  4. Step 4: Simplify right side
    61,230.53x = 1,806,023,606.45
  5. Step 5: Solve for x
    x = 1,806,023,606.45/61,230.53
  6. Step 6: Final answer
    x = 29,495.47

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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.