Home / 39,652.02-54,720.54-21,745.95

Finding the Fourth Proportional to 39,652.02, 54,720.54 and 21,745.95

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Solution

The fourth proportional to 39,652.02, 54,720.54 and 21,745.95 is: 30,009.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,652.02 : 54,720.54 = 21,745.95 : x
  2. Step 2: Convert to fraction form
    39,652.02/54,720.54 = 21,745.95/x
  3. Step 3: Cross multiply
    39,652.02x = 54,720.54 × 21,745.95
  4. Step 4: Simplify right side
    39,652.02x = 1,189,950,126.81
  5. Step 5: Solve for x
    x = 1,189,950,126.81/39,652.02
  6. Step 6: Final answer
    x = 30,009.82

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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.