Home / 39,153.06-54,030.93-21,247.60

Finding the Fourth Proportional to 39,153.06, 54,030.93 and 21,247.60

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Solution

The fourth proportional to 39,153.06, 54,030.93 and 21,247.60 is: 29,321.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.06 : 54,030.93 = 21,247.60 : x
  2. Step 2: Convert to fraction form
    39,153.06/54,030.93 = 21,247.60/x
  3. Step 3: Cross multiply
    39,153.06x = 54,030.93 × 21,247.60
  4. Step 4: Simplify right side
    39,153.06x = 1,148,027,588.27
  5. Step 5: Solve for x
    x = 1,148,027,588.27/39,153.06
  6. Step 6: Final answer
    x = 29,321.53

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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.