Home / 55,797.36-77,000.40-30,303.24

Finding the Fourth Proportional to 55,797.36, 77,000.40 and 30,303.24

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Solution

The fourth proportional to 55,797.36, 77,000.40 and 30,303.24 is: 41,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,797.36 : 77,000.40 = 30,303.24 : x
  2. Step 2: Convert to fraction form
    55,797.36/77,000.40 = 30,303.24/x
  3. Step 3: Cross multiply
    55,797.36x = 77,000.40 × 30,303.24
  4. Step 4: Simplify right side
    55,797.36x = 2,333,361,601.30
  5. Step 5: Solve for x
    x = 2,333,361,601.30/55,797.36
  6. Step 6: Final answer
    x = 41,818.49

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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.