Home / 66,458.22-99,697.26-21,464.52

Finding the Fourth Proportional to 66,458.22, 99,697.26 and 21,464.52

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Solution

The fourth proportional to 66,458.22, 99,697.26 and 21,464.52 is: 32,199.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,458.22 : 99,697.26 = 21,464.52 : x
  2. Step 2: Convert to fraction form
    66,458.22/99,697.26 = 21,464.52/x
  3. Step 3: Cross multiply
    66,458.22x = 99,697.26 × 21,464.52
  4. Step 4: Simplify right side
    66,458.22x = 2,139,953,831.22
  5. Step 5: Solve for x
    x = 2,139,953,831.22/66,458.22
  6. Step 6: Final answer
    x = 32,199.99

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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.