Home / 53,975.76-80,987.06-28,986.68

Finding the Fourth Proportional to 53,975.76, 80,987.06 and 28,986.68

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Solution

The fourth proportional to 53,975.76, 80,987.06 and 28,986.68 is: 43,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.76 : 80,987.06 = 28,986.68 : x
  2. Step 2: Convert to fraction form
    53,975.76/80,987.06 = 28,986.68/x
  3. Step 3: Cross multiply
    53,975.76x = 80,987.06 × 28,986.68
  4. Step 4: Simplify right side
    53,975.76x = 2,347,545,992.36
  5. Step 5: Solve for x
    x = 2,347,545,992.36/53,975.76
  6. Step 6: Final answer
    x = 43,492.60

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1.5x scale

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.