Home / 53,229.10-79,831.34-15,780.14

Finding the Fourth Proportional to 53,229.10, 79,831.34 and 15,780.14

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Solution

The fourth proportional to 53,229.10, 79,831.34 and 15,780.14 is: 23,666.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.10 : 79,831.34 = 15,780.14 : x
  2. Step 2: Convert to fraction form
    53,229.10/79,831.34 = 15,780.14/x
  3. Step 3: Cross multiply
    53,229.10x = 79,831.34 × 15,780.14
  4. Step 4: Simplify right side
    53,229.10x = 1,259,749,322.43
  5. Step 5: Solve for x
    x = 1,259,749,322.43/53,229.10
  6. Step 6: Final answer
    x = 23,666.56

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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.