Home / 55,705.52-76,873.20-30,554.84

Finding the Fourth Proportional to 55,705.52, 76,873.20 and 30,554.84

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Solution

The fourth proportional to 55,705.52, 76,873.20 and 30,554.84 is: 42,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,705.52 : 76,873.20 = 30,554.84 : x
  2. Step 2: Convert to fraction form
    55,705.52/76,873.20 = 30,554.84/x
  3. Step 3: Cross multiply
    55,705.52x = 76,873.20 × 30,554.84
  4. Step 4: Simplify right side
    55,705.52x = 2,348,848,326.29
  5. Step 5: Solve for x
    x = 2,348,848,326.29/55,705.52
  6. Step 6: Final answer
    x = 42,165.45

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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.