Home / 53,739.68-74,120.40-37,828.64

Finding the Fourth Proportional to 53,739.68, 74,120.40 and 37,828.64

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Solution

The fourth proportional to 53,739.68, 74,120.40 and 37,828.64 is: 52,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,739.68 : 74,120.40 = 37,828.64 : x
  2. Step 2: Convert to fraction form
    53,739.68/74,120.40 = 37,828.64/x
  3. Step 3: Cross multiply
    53,739.68x = 74,120.40 × 37,828.64
  4. Step 4: Simplify right side
    53,739.68x = 2,803,873,928.26
  5. Step 5: Solve for x
    x = 2,803,873,928.26/53,739.68
  6. Step 6: Final answer
    x = 52,175.11

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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.