Home / 39,453.01-54,444.87-21,548.02

Finding the Fourth Proportional to 39,453.01, 54,444.87 and 21,548.02

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Solution

The fourth proportional to 39,453.01, 54,444.87 and 21,548.02 is: 29,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,453.01 : 54,444.87 = 21,548.02 : x
  2. Step 2: Convert to fraction form
    39,453.01/54,444.87 = 21,548.02/x
  3. Step 3: Cross multiply
    39,453.01x = 54,444.87 × 21,548.02
  4. Step 4: Simplify right side
    39,453.01x = 1,173,178,875.43
  5. Step 5: Solve for x
    x = 1,173,178,875.43/39,453.01
  6. Step 6: Final answer
    x = 29,736.11

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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.