Home / 45,658.41-62,986.80-28,654.21

Finding the Fourth Proportional to 45,658.41, 62,986.80 and 28,654.21

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Solution

The fourth proportional to 45,658.41, 62,986.80 and 28,654.21 is: 39,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,658.41 : 62,986.80 = 28,654.21 : x
  2. Step 2: Convert to fraction form
    45,658.41/62,986.80 = 28,654.21/x
  3. Step 3: Cross multiply
    45,658.41x = 62,986.80 × 28,654.21
  4. Step 4: Simplify right side
    45,658.41x = 1,804,836,994.43
  5. Step 5: Solve for x
    x = 1,804,836,994.43/45,658.41
  6. Step 6: Final answer
    x = 39,529.12

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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.