Home / 53,968.69-80,904.03-18,889.21

Finding the Fourth Proportional to 53,968.69, 80,904.03 and 18,889.21

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Solution

The fourth proportional to 53,968.69, 80,904.03 and 18,889.21 is: 28,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,968.69 : 80,904.03 = 18,889.21 : x
  2. Step 2: Convert to fraction form
    53,968.69/80,904.03 = 18,889.21/x
  3. Step 3: Cross multiply
    53,968.69x = 80,904.03 × 18,889.21
  4. Step 4: Simplify right side
    53,968.69x = 1,528,213,212.52
  5. Step 5: Solve for x
    x = 1,528,213,212.52/53,968.69
  6. Step 6: Final answer
    x = 28,316.66

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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.