Home / 39,487.76-54,512-23,357.80

Finding the Fourth Proportional to 39,487.76, 54,512 and 23,357.80

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Solution

The fourth proportional to 39,487.76, 54,512 and 23,357.80 is: 32,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,487.76 : 54,512 = 23,357.80 : x
  2. Step 2: Convert to fraction form
    39,487.76/54,512 = 23,357.80/x
  3. Step 3: Cross multiply
    39,487.76x = 54,512 × 23,357.80
  4. Step 4: Simplify right side
    39,487.76x = 1,273,280,393.60
  5. Step 5: Solve for x
    x = 1,273,280,393.60/39,487.76
  6. Step 6: Final answer
    x = 32,244.94

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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.