Home / 62,533.08-93,813.66-20,979

Finding the Fourth Proportional to 62,533.08, 93,813.66 and 20,979

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Solution

The fourth proportional to 62,533.08, 93,813.66 and 20,979 is: 31,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,533.08 : 93,813.66 = 20,979 : x
  2. Step 2: Convert to fraction form
    62,533.08/93,813.66 = 20,979/x
  3. Step 3: Cross multiply
    62,533.08x = 93,813.66 × 20,979
  4. Step 4: Simplify right side
    62,533.08x = 1,968,116,773.14
  5. Step 5: Solve for x
    x = 1,968,116,773.14/62,533.08
  6. Step 6: Final answer
    x = 31,473.21

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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.