Home / 39,135.50-54,006.99-22,368.86

Finding the Fourth Proportional to 39,135.50, 54,006.99 and 22,368.86

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Solution

The fourth proportional to 39,135.50, 54,006.99 and 22,368.86 is: 30,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.50 : 54,006.99 = 22,368.86 : x
  2. Step 2: Convert to fraction form
    39,135.50/54,006.99 = 22,368.86/x
  3. Step 3: Cross multiply
    39,135.50x = 54,006.99 × 22,368.86
  4. Step 4: Simplify right side
    39,135.50x = 1,208,074,798.33
  5. Step 5: Solve for x
    x = 1,208,074,798.33/39,135.50
  6. Step 6: Final answer
    x = 30,869.03

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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.