Home / 55,606.34-76,736.75-30,455.84

Finding the Fourth Proportional to 55,606.34, 76,736.75 and 30,455.84

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Solution

The fourth proportional to 55,606.34, 76,736.75 and 30,455.84 is: 42,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606.34 : 76,736.75 = 30,455.84 : x
  2. Step 2: Convert to fraction form
    55,606.34/76,736.75 = 30,455.84/x
  3. Step 3: Cross multiply
    55,606.34x = 76,736.75 × 30,455.84
  4. Step 4: Simplify right side
    55,606.34x = 2,337,081,644.16
  5. Step 5: Solve for x
    x = 2,337,081,644.16/55,606.34
  6. Step 6: Final answer
    x = 42,029.05

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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.