Home / 30,615.83-45,925.46-9,558.78

Finding the Fourth Proportional to 30,615.83, 45,925.46 and 9,558.78

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Solution

The fourth proportional to 30,615.83, 45,925.46 and 9,558.78 is: 14,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,615.83 : 45,925.46 = 9,558.78 : x
  2. Step 2: Convert to fraction form
    30,615.83/45,925.46 = 9,558.78/x
  3. Step 3: Cross multiply
    30,615.83x = 45,925.46 × 9,558.78
  4. Step 4: Simplify right side
    30,615.83x = 438,991,442.70
  5. Step 5: Solve for x
    x = 438,991,442.70/30,615.83
  6. Step 6: Final answer
    x = 14,338.71

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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.