Home / 30,246.07-45,368.95-7,756.65

Finding the Fourth Proportional to 30,246.07, 45,368.95 and 7,756.65

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Solution

The fourth proportional to 30,246.07, 45,368.95 and 7,756.65 is: 11,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.07 : 45,368.95 = 7,756.65 : x
  2. Step 2: Convert to fraction form
    30,246.07/45,368.95 = 7,756.65/x
  3. Step 3: Cross multiply
    30,246.07x = 45,368.95 × 7,756.65
  4. Step 4: Simplify right side
    30,246.07x = 351,910,839.17
  5. Step 5: Solve for x
    x = 351,910,839.17/30,246.07
  6. Step 6: Final answer
    x = 11,634.93

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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.