Home / 39,285.32-54,209.34-23,151.59

Finding the Fourth Proportional to 39,285.32, 54,209.34 and 23,151.59

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Solution

The fourth proportional to 39,285.32, 54,209.34 and 23,151.59 is: 31,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285.32 : 54,209.34 = 23,151.59 : x
  2. Step 2: Convert to fraction form
    39,285.32/54,209.34 = 23,151.59/x
  3. Step 3: Cross multiply
    39,285.32x = 54,209.34 × 23,151.59
  4. Step 4: Simplify right side
    39,285.32x = 1,255,032,142.80
  5. Step 5: Solve for x
    x = 1,255,032,142.80/39,285.32
  6. Step 6: Final answer
    x = 31,946.60

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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.