Home / 43,564.03-60,109.20-28,478.80

Finding the Fourth Proportional to 43,564.03, 60,109.20 and 28,478.80

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Solution

The fourth proportional to 43,564.03, 60,109.20 and 28,478.80 is: 39,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,564.03 : 60,109.20 = 28,478.80 : x
  2. Step 2: Convert to fraction form
    43,564.03/60,109.20 = 28,478.80/x
  3. Step 3: Cross multiply
    43,564.03x = 60,109.20 × 28,478.80
  4. Step 4: Simplify right side
    43,564.03x = 1,711,837,884.96
  5. Step 5: Solve for x
    x = 1,711,837,884.96/43,564.03
  6. Step 6: Final answer
    x = 39,294.75

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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.