Home / 53,261.60-79,892.40-16,320.80

Finding the Fourth Proportional to 53,261.60, 79,892.40 and 16,320.80

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Solution

The fourth proportional to 53,261.60, 79,892.40 and 16,320.80 is: 24,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,261.60 : 79,892.40 = 16,320.80 : x
  2. Step 2: Convert to fraction form
    53,261.60/79,892.40 = 16,320.80/x
  3. Step 3: Cross multiply
    53,261.60x = 79,892.40 × 16,320.80
  4. Step 4: Simplify right side
    53,261.60x = 1,303,907,881.92
  5. Step 5: Solve for x
    x = 1,303,907,881.92/53,261.60
  6. Step 6: Final answer
    x = 24,481.20

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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.