Home / 55,701-76,867.38-30,549.96

Finding the Fourth Proportional to 55,701, 76,867.38 and 30,549.96

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Solution

The fourth proportional to 55,701, 76,867.38 and 30,549.96 is: 42,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,701 : 76,867.38 = 30,549.96 : x
  2. Step 2: Convert to fraction form
    55,701/76,867.38 = 30,549.96/x
  3. Step 3: Cross multiply
    55,701x = 76,867.38 × 30,549.96
  4. Step 4: Simplify right side
    55,701x = 2,348,295,384.30
  5. Step 5: Solve for x
    x = 2,348,295,384.30/55,701
  6. Step 6: Final answer
    x = 42,158.94

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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.