Home / 37,885.36-56,778.96-18,125.20

Finding the Fourth Proportional to 37,885.36, 56,778.96 and 18,125.20

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Solution

The fourth proportional to 37,885.36, 56,778.96 and 18,125.20 is: 27,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,885.36 : 56,778.96 = 18,125.20 : x
  2. Step 2: Convert to fraction form
    37,885.36/56,778.96 = 18,125.20/x
  3. Step 3: Cross multiply
    37,885.36x = 56,778.96 × 18,125.20
  4. Step 4: Simplify right side
    37,885.36x = 1,029,130,005.79
  5. Step 5: Solve for x
    x = 1,029,130,005.79/37,885.36
  6. Step 6: Final answer
    x = 27,164.32

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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.