Home / 51,033.12-76,558.86-21,030.65

Finding the Fourth Proportional to 51,033.12, 76,558.86 and 21,030.65

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Solution

The fourth proportional to 51,033.12, 76,558.86 and 21,030.65 is: 31,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,033.12 : 76,558.86 = 21,030.65 : x
  2. Step 2: Convert to fraction form
    51,033.12/76,558.86 = 21,030.65/x
  3. Step 3: Cross multiply
    51,033.12x = 76,558.86 × 21,030.65
  4. Step 4: Simplify right side
    51,033.12x = 1,610,082,780.46
  5. Step 5: Solve for x
    x = 1,610,082,780.46/51,033.12
  6. Step 6: Final answer
    x = 31,549.76

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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.