Home / 40,676.15-61,016.40-12,615.59

Finding the Fourth Proportional to 40,676.15, 61,016.40 and 12,615.59

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Solution

The fourth proportional to 40,676.15, 61,016.40 and 12,615.59 is: 18,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,676.15 : 61,016.40 = 12,615.59 : x
  2. Step 2: Convert to fraction form
    40,676.15/61,016.40 = 12,615.59/x
  3. Step 3: Cross multiply
    40,676.15x = 61,016.40 × 12,615.59
  4. Step 4: Simplify right side
    40,676.15x = 769,758,038.22
  5. Step 5: Solve for x
    x = 769,758,038.22/40,676.15
  6. Step 6: Final answer
    x = 18,924.06

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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.