Home / 53,738.77-80,615.45-18,673.87

Finding the Fourth Proportional to 53,738.77, 80,615.45 and 18,673.87

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Solution

The fourth proportional to 53,738.77, 80,615.45 and 18,673.87 is: 28,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.77 : 80,615.45 = 18,673.87 : x
  2. Step 2: Convert to fraction form
    53,738.77/80,615.45 = 18,673.87/x
  3. Step 3: Cross multiply
    53,738.77x = 80,615.45 × 18,673.87
  4. Step 4: Simplify right side
    53,738.77x = 1,505,402,433.29
  5. Step 5: Solve for x
    x = 1,505,402,433.29/53,738.77
  6. Step 6: Final answer
    x = 28,013.34

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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.