Home / 39,822.30-54,784.76-38,715.03

Finding the Fourth Proportional to 39,822.30, 54,784.76 and 38,715.03

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Solution

The fourth proportional to 39,822.30, 54,784.76 and 38,715.03 is: 53,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,822.30 : 54,784.76 = 38,715.03 : x
  2. Step 2: Convert to fraction form
    39,822.30/54,784.76 = 38,715.03/x
  3. Step 3: Cross multiply
    39,822.30x = 54,784.76 × 38,715.03
  4. Step 4: Simplify right side
    39,822.30x = 2,120,993,433.37
  5. Step 5: Solve for x
    x = 2,120,993,433.37/39,822.30
  6. Step 6: Final answer
    x = 53,261.45

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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.