Home / 55,311.71-82,968.01-15,870.06

Finding the Fourth Proportional to 55,311.71, 82,968.01 and 15,870.06

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Solution

The fourth proportional to 55,311.71, 82,968.01 and 15,870.06 is: 23,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311.71 : 82,968.01 = 15,870.06 : x
  2. Step 2: Convert to fraction form
    55,311.71/82,968.01 = 15,870.06/x
  3. Step 3: Cross multiply
    55,311.71x = 82,968.01 × 15,870.06
  4. Step 4: Simplify right side
    55,311.71x = 1,316,707,257.11
  5. Step 5: Solve for x
    x = 1,316,707,257.11/55,311.71
  6. Step 6: Final answer
    x = 23,805.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.