Home / 53,119.45-79,660.60-15,669.58

Finding the Fourth Proportional to 53,119.45, 79,660.60 and 15,669.58

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Solution

The fourth proportional to 53,119.45, 79,660.60 and 15,669.58 is: 23,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.45 : 79,660.60 = 15,669.58 : x
  2. Step 2: Convert to fraction form
    53,119.45/79,660.60 = 15,669.58/x
  3. Step 3: Cross multiply
    53,119.45x = 79,660.60 × 15,669.58
  4. Step 4: Simplify right side
    53,119.45x = 1,248,248,099.66
  5. Step 5: Solve for x
    x = 1,248,248,099.66/53,119.45
  6. Step 6: Final answer
    x = 23,498.89

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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.