Home / 53,322.86-79,976.07-17,784.80

Finding the Fourth Proportional to 53,322.86, 79,976.07 and 17,784.80

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Solution

The fourth proportional to 53,322.86, 79,976.07 and 17,784.80 is: 26,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,322.86 : 79,976.07 = 17,784.80 : x
  2. Step 2: Convert to fraction form
    53,322.86/79,976.07 = 17,784.80/x
  3. Step 3: Cross multiply
    53,322.86x = 79,976.07 × 17,784.80
  4. Step 4: Simplify right side
    53,322.86x = 1,422,358,409.74
  5. Step 5: Solve for x
    x = 1,422,358,409.74/53,322.86
  6. Step 6: Final answer
    x = 26,674.46

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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.