Home / 53,945.87-80,918.93-18,877.32

Finding the Fourth Proportional to 53,945.87, 80,918.93 and 18,877.32

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Solution

The fourth proportional to 53,945.87, 80,918.93 and 18,877.32 is: 28,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,945.87 : 80,918.93 = 18,877.32 : x
  2. Step 2: Convert to fraction form
    53,945.87/80,918.93 = 18,877.32/x
  3. Step 3: Cross multiply
    53,945.87x = 80,918.93 × 18,877.32
  4. Step 4: Simplify right side
    53,945.87x = 1,527,532,582.86
  5. Step 5: Solve for x
    x = 1,527,532,582.86/53,945.87
  6. Step 6: Final answer
    x = 28,316.03

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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.