Home / 66,471.06-99,697.14-19,090.29

Finding the Fourth Proportional to 66,471.06, 99,697.14 and 19,090.29

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Solution

The fourth proportional to 66,471.06, 99,697.14 and 19,090.29 is: 28,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,471.06 : 99,697.14 = 19,090.29 : x
  2. Step 2: Convert to fraction form
    66,471.06/99,697.14 = 19,090.29/x
  3. Step 3: Cross multiply
    66,471.06x = 99,697.14 × 19,090.29
  4. Step 4: Simplify right side
    66,471.06x = 1,903,247,314.77
  5. Step 5: Solve for x
    x = 1,903,247,314.77/66,471.06
  6. Step 6: Final answer
    x = 28,632.72

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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.