Home / 48,435.95-72,657-12,896.69

Finding the Fourth Proportional to 48,435.95, 72,657 and 12,896.69

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Solution

The fourth proportional to 48,435.95, 72,657 and 12,896.69 is: 19,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,435.95 : 72,657 = 12,896.69 : x
  2. Step 2: Convert to fraction form
    48,435.95/72,657 = 12,896.69/x
  3. Step 3: Cross multiply
    48,435.95x = 72,657 × 12,896.69
  4. Step 4: Simplify right side
    48,435.95x = 937,034,442.05
  5. Step 5: Solve for x
    x = 937,034,442.05/48,435.95
  6. Step 6: Final answer
    x = 19,345.85

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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.