Home / 66,316.86-91,521.63-38,023.02

Finding the Fourth Proportional to 66,316.86, 91,521.63 and 38,023.02

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Solution

The fourth proportional to 66,316.86, 91,521.63 and 38,023.02 is: 52,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,316.86 : 91,521.63 = 38,023.02 : x
  2. Step 2: Convert to fraction form
    66,316.86/91,521.63 = 38,023.02/x
  3. Step 3: Cross multiply
    66,316.86x = 91,521.63 × 38,023.02
  4. Step 4: Simplify right side
    66,316.86x = 3,479,928,767.92
  5. Step 5: Solve for x
    x = 3,479,928,767.92/66,316.86
  6. Step 6: Final answer
    x = 52,474.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.