Home / 30,379.14-45,597.90-14,807.70

Finding the Fourth Proportional to 30,379.14, 45,597.90 and 14,807.70

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Solution

The fourth proportional to 30,379.14, 45,597.90 and 14,807.70 is: 22,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.14 : 45,597.90 = 14,807.70 : x
  2. Step 2: Convert to fraction form
    30,379.14/45,597.90 = 14,807.70/x
  3. Step 3: Cross multiply
    30,379.14x = 45,597.90 × 14,807.70
  4. Step 4: Simplify right side
    30,379.14x = 675,200,023.83
  5. Step 5: Solve for x
    x = 675,200,023.83/30,379.14
  6. Step 6: Final answer
    x = 22,225.78

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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.