Home / 61,639.21-92,459.42-19,518.50

Finding the Fourth Proportional to 61,639.21, 92,459.42 and 19,518.50

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Solution

The fourth proportional to 61,639.21, 92,459.42 and 19,518.50 is: 29,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.21 : 92,459.42 = 19,518.50 : x
  2. Step 2: Convert to fraction form
    61,639.21/92,459.42 = 19,518.50/x
  3. Step 3: Cross multiply
    61,639.21x = 92,459.42 × 19,518.50
  4. Step 4: Simplify right side
    61,639.21x = 1,804,669,505.81
  5. Step 5: Solve for x
    x = 1,804,669,505.81/61,639.21
  6. Step 6: Final answer
    x = 29,277.95

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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.