Home / 55,335.64-76,362.98-30,185.08

Finding the Fourth Proportional to 55,335.64, 76,362.98 and 30,185.08

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Solution

The fourth proportional to 55,335.64, 76,362.98 and 30,185.08 is: 41,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335.64 : 76,362.98 = 30,185.08 : x
  2. Step 2: Convert to fraction form
    55,335.64/76,362.98 = 30,185.08/x
  3. Step 3: Cross multiply
    55,335.64x = 76,362.98 × 30,185.08
  4. Step 4: Simplify right side
    55,335.64x = 2,305,022,660.34
  5. Step 5: Solve for x
    x = 2,305,022,660.34/55,335.64
  6. Step 6: Final answer
    x = 41,655.30

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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.