Home / 30,518.67-45,778.47-9,458.47

Finding the Fourth Proportional to 30,518.67, 45,778.47 and 9,458.47

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Solution

The fourth proportional to 30,518.67, 45,778.47 and 9,458.47 is: 14,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518.67 : 45,778.47 = 9,458.47 : x
  2. Step 2: Convert to fraction form
    30,518.67/45,778.47 = 9,458.47/x
  3. Step 3: Cross multiply
    30,518.67x = 45,778.47 × 9,458.47
  4. Step 4: Simplify right side
    30,518.67x = 432,994,306.89
  5. Step 5: Solve for x
    x = 432,994,306.89/30,518.67
  6. Step 6: Final answer
    x = 14,187.85

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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.