Home / 53,400.75-80,106.61-20,148.80

Finding the Fourth Proportional to 53,400.75, 80,106.61 and 20,148.80

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Solution

The fourth proportional to 53,400.75, 80,106.61 and 20,148.80 is: 30,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,400.75 : 80,106.61 = 20,148.80 : x
  2. Step 2: Convert to fraction form
    53,400.75/80,106.61 = 20,148.80/x
  3. Step 3: Cross multiply
    53,400.75x = 80,106.61 × 20,148.80
  4. Step 4: Simplify right side
    53,400.75x = 1,614,051,812.93
  5. Step 5: Solve for x
    x = 1,614,051,812.93/53,400.75
  6. Step 6: Final answer
    x = 30,225.26

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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.