Home / 53,580.36-80,370.53-18,500.88

Finding the Fourth Proportional to 53,580.36, 80,370.53 and 18,500.88

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Solution

The fourth proportional to 53,580.36, 80,370.53 and 18,500.88 is: 27,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,580.36 : 80,370.53 = 18,500.88 : x
  2. Step 2: Convert to fraction form
    53,580.36/80,370.53 = 18,500.88/x
  3. Step 3: Cross multiply
    53,580.36x = 80,370.53 × 18,500.88
  4. Step 4: Simplify right side
    53,580.36x = 1,486,925,531.07
  5. Step 5: Solve for x
    x = 1,486,925,531.07/53,580.36
  6. Step 6: Final answer
    x = 27,751.32

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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.