Home / 55,616.64-76,750.20-30,466.32

Finding the Fourth Proportional to 55,616.64, 76,750.20 and 30,466.32

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Solution

The fourth proportional to 55,616.64, 76,750.20 and 30,466.32 is: 42,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,616.64 : 76,750.20 = 30,466.32 : x
  2. Step 2: Convert to fraction form
    55,616.64/76,750.20 = 30,466.32/x
  3. Step 3: Cross multiply
    55,616.64x = 76,750.20 × 30,466.32
  4. Step 4: Simplify right side
    55,616.64x = 2,338,296,153.26
  5. Step 5: Solve for x
    x = 2,338,296,153.26/55,616.64
  6. Step 6: Final answer
    x = 42,043.10

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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.