Home / 39,108.60-54,000.94-36,123.36

Finding the Fourth Proportional to 39,108.60, 54,000.94 and 36,123.36

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Solution

The fourth proportional to 39,108.60, 54,000.94 and 36,123.36 is: 49,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.60 : 54,000.94 = 36,123.36 : x
  2. Step 2: Convert to fraction form
    39,108.60/54,000.94 = 36,123.36/x
  3. Step 3: Cross multiply
    39,108.60x = 54,000.94 × 36,123.36
  4. Step 4: Simplify right side
    39,108.60x = 1,950,695,395.96
  5. Step 5: Solve for x
    x = 1,950,695,395.96/39,108.60
  6. Step 6: Final answer
    x = 49,878.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.