Home / 39,941.39-55,352.12-39,377.63

Finding the Fourth Proportional to 39,941.39, 55,352.12 and 39,377.63

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Solution

The fourth proportional to 39,941.39, 55,352.12 and 39,377.63 is: 54,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.39 : 55,352.12 = 39,377.63 : x
  2. Step 2: Convert to fraction form
    39,941.39/55,352.12 = 39,377.63/x
  3. Step 3: Cross multiply
    39,941.39x = 55,352.12 × 39,377.63
  4. Step 4: Simplify right side
    39,941.39x = 2,179,634,827.43
  5. Step 5: Solve for x
    x = 2,179,634,827.43/39,941.39
  6. Step 6: Final answer
    x = 54,570.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.