Home / 81,810.18-122,715.44-22,646.03

Finding the Fourth Proportional to 81,810.18, 122,715.44 and 22,646.03

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Solution

The fourth proportional to 81,810.18, 122,715.44 and 22,646.03 is: 33,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,810.18 : 122,715.44 = 22,646.03 : x
  2. Step 2: Convert to fraction form
    81,810.18/122,715.44 = 22,646.03/x
  3. Step 3: Cross multiply
    81,810.18x = 122,715.44 × 22,646.03
  4. Step 4: Simplify right side
    81,810.18x = 2,779,016,893.82
  5. Step 5: Solve for x
    x = 2,779,016,893.82/81,810.18
  6. Step 6: Final answer
    x = 33,969.08

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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.