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Finding the Fourth Proportional to 67,610, 101,415.40 and 18,362

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Solution

The fourth proportional to 67,610, 101,415.40 and 18,362 is: 27,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,610 : 101,415.40 = 18,362 : x
  2. Step 2: Convert to fraction form
    67,610/101,415.40 = 18,362/x
  3. Step 3: Cross multiply
    67,610x = 101,415.40 × 18,362
  4. Step 4: Simplify right side
    67,610x = 1,862,189,574.80
  5. Step 5: Solve for x
    x = 1,862,189,574.80/67,610
  6. Step 6: Final answer
    x = 27,543.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.