Home / 38,890.69-58,348.29-12,235.60

Finding the Fourth Proportional to 38,890.69, 58,348.29 and 12,235.60

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Solution

The fourth proportional to 38,890.69, 58,348.29 and 12,235.60 is: 18,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.69 : 58,348.29 = 12,235.60 : x
  2. Step 2: Convert to fraction form
    38,890.69/58,348.29 = 12,235.60/x
  3. Step 3: Cross multiply
    38,890.69x = 58,348.29 × 12,235.60
  4. Step 4: Simplify right side
    38,890.69x = 713,926,337.12
  5. Step 5: Solve for x
    x = 713,926,337.12/38,890.69
  6. Step 6: Final answer
    x = 18,357.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.