Home / 53,147.61-73,282.86-39,696.21

Finding the Fourth Proportional to 53,147.61, 73,282.86 and 39,696.21

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Solution

The fourth proportional to 53,147.61, 73,282.86 and 39,696.21 is: 54,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.61 : 73,282.86 = 39,696.21 : x
  2. Step 2: Convert to fraction form
    53,147.61/73,282.86 = 39,696.21/x
  3. Step 3: Cross multiply
    53,147.61x = 73,282.86 × 39,696.21
  4. Step 4: Simplify right side
    53,147.61x = 2,909,051,799.96
  5. Step 5: Solve for x
    x = 2,909,051,799.96/53,147.61
  6. Step 6: Final answer
    x = 54,735.33

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1.5x scale

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.