Home / 30,557.86-45,818.56-9,491.58

Finding the Fourth Proportional to 30,557.86, 45,818.56 and 9,491.58

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Solution

The fourth proportional to 30,557.86, 45,818.56 and 9,491.58 is: 14,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.86 : 45,818.56 = 9,491.58 : x
  2. Step 2: Convert to fraction form
    30,557.86/45,818.56 = 9,491.58/x
  3. Step 3: Cross multiply
    30,557.86x = 45,818.56 × 9,491.58
  4. Step 4: Simplify right side
    30,557.86x = 434,890,539.59
  5. Step 5: Solve for x
    x = 434,890,539.59/30,557.86
  6. Step 6: Final answer
    x = 14,231.71

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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.