Home / 55,797.20-77,000.28-30,303.44

Finding the Fourth Proportional to 55,797.20, 77,000.28 and 30,303.44

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Solution

The fourth proportional to 55,797.20, 77,000.28 and 30,303.44 is: 41,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,797.20 : 77,000.28 = 30,303.44 : x
  2. Step 2: Convert to fraction form
    55,797.20/77,000.28 = 30,303.44/x
  3. Step 3: Cross multiply
    55,797.20x = 77,000.28 × 30,303.44
  4. Step 4: Simplify right side
    55,797.20x = 2,333,373,364.96
  5. Step 5: Solve for x
    x = 2,333,373,364.96/55,797.20
  6. Step 6: Final answer
    x = 41,818.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.