Home / 53,520.60-80,281.71-20,256.33

Finding the Fourth Proportional to 53,520.60, 80,281.71 and 20,256.33

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Solution

The fourth proportional to 53,520.60, 80,281.71 and 20,256.33 is: 30,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,520.60 : 80,281.71 = 20,256.33 : x
  2. Step 2: Convert to fraction form
    53,520.60/80,281.71 = 20,256.33/x
  3. Step 3: Cross multiply
    53,520.60x = 80,281.71 × 20,256.33
  4. Step 4: Simplify right side
    53,520.60x = 1,626,212,810.72
  5. Step 5: Solve for x
    x = 1,626,212,810.72/53,520.60
  6. Step 6: Final answer
    x = 30,384.80

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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.