Home / 39,507.42-54,230-34,930.92

Finding the Fourth Proportional to 39,507.42, 54,230 and 34,930.92

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Solution

The fourth proportional to 39,507.42, 54,230 and 34,930.92 is: 47,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,507.42 : 54,230 = 34,930.92 : x
  2. Step 2: Convert to fraction form
    39,507.42/54,230 = 34,930.92/x
  3. Step 3: Cross multiply
    39,507.42x = 54,230 × 34,930.92
  4. Step 4: Simplify right side
    39,507.42x = 1,894,303,791.60
  5. Step 5: Solve for x
    x = 1,894,303,791.60/39,507.42
  6. Step 6: Final answer
    x = 47,948.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.