Home / 20,030.98-30,050.70-7,550.74

Finding the Fourth Proportional to 20,030.98, 30,050.70 and 7,550.74

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Solution

The fourth proportional to 20,030.98, 30,050.70 and 7,550.74 is: 11,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.98 : 30,050.70 = 7,550.74 : x
  2. Step 2: Convert to fraction form
    20,030.98/30,050.70 = 7,550.74/x
  3. Step 3: Cross multiply
    20,030.98x = 30,050.70 × 7,550.74
  4. Step 4: Simplify right side
    20,030.98x = 226,905,022.52
  5. Step 5: Solve for x
    x = 226,905,022.52/20,030.98
  6. Step 6: Final answer
    x = 11,327.70

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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.