Home / 53,598.75-80,379.28-21,999.66

Finding the Fourth Proportional to 53,598.75, 80,379.28 and 21,999.66

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Solution

The fourth proportional to 53,598.75, 80,379.28 and 21,999.66 is: 32,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,598.75 : 80,379.28 = 21,999.66 : x
  2. Step 2: Convert to fraction form
    53,598.75/80,379.28 = 21,999.66/x
  3. Step 3: Cross multiply
    53,598.75x = 80,379.28 × 21,999.66
  4. Step 4: Simplify right side
    53,598.75x = 1,768,316,831.04
  5. Step 5: Solve for x
    x = 1,768,316,831.04/53,598.75
  6. Step 6: Final answer
    x = 32,991.76

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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.