Home / 55,416.78-76,475.10-30,266.28

Finding the Fourth Proportional to 55,416.78, 76,475.10 and 30,266.28

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Solution

The fourth proportional to 55,416.78, 76,475.10 and 30,266.28 is: 41,767.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,416.78 : 76,475.10 = 30,266.28 : x
  2. Step 2: Convert to fraction form
    55,416.78/76,475.10 = 30,266.28/x
  3. Step 3: Cross multiply
    55,416.78x = 76,475.10 × 30,266.28
  4. Step 4: Simplify right side
    55,416.78x = 2,314,616,789.63
  5. Step 5: Solve for x
    x = 2,314,616,789.63/55,416.78
  6. Step 6: Final answer
    x = 41,767.44

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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.