Home / 40,323.20-60,470.40-14,028.80

Finding the Fourth Proportional to 40,323.20, 60,470.40 and 14,028.80

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Solution

The fourth proportional to 40,323.20, 60,470.40 and 14,028.80 is: 21,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.20 : 60,470.40 = 14,028.80 : x
  2. Step 2: Convert to fraction form
    40,323.20/60,470.40 = 14,028.80/x
  3. Step 3: Cross multiply
    40,323.20x = 60,470.40 × 14,028.80
  4. Step 4: Simplify right side
    40,323.20x = 848,327,147.52
  5. Step 5: Solve for x
    x = 848,327,147.52/40,323.20
  6. Step 6: Final answer
    x = 21,038.19

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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.