Home / 66,585.24-91,890.36-38,290.93

Finding the Fourth Proportional to 66,585.24, 91,890.36 and 38,290.93

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Solution

The fourth proportional to 66,585.24, 91,890.36 and 38,290.93 is: 52,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,585.24 : 91,890.36 = 38,290.93 : x
  2. Step 2: Convert to fraction form
    66,585.24/91,890.36 = 38,290.93/x
  3. Step 3: Cross multiply
    66,585.24x = 91,890.36 × 38,290.93
  4. Step 4: Simplify right side
    66,585.24x = 3,518,567,112.71
  5. Step 5: Solve for x
    x = 3,518,567,112.71/66,585.24
  6. Step 6: Final answer
    x = 52,843.05

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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.