Home / 53,667.64-80,503.74-18,129.80

Finding the Fourth Proportional to 53,667.64, 80,503.74 and 18,129.80

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Solution

The fourth proportional to 53,667.64, 80,503.74 and 18,129.80 is: 27,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,667.64 : 80,503.74 = 18,129.80 : x
  2. Step 2: Convert to fraction form
    53,667.64/80,503.74 = 18,129.80/x
  3. Step 3: Cross multiply
    53,667.64x = 80,503.74 × 18,129.80
  4. Step 4: Simplify right side
    53,667.64x = 1,459,516,705.45
  5. Step 5: Solve for x
    x = 1,459,516,705.45/53,667.64
  6. Step 6: Final answer
    x = 27,195.47

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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.