Home / 30,557.76-45,849.71-12,792.57

Finding the Fourth Proportional to 30,557.76, 45,849.71 and 12,792.57

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Solution

The fourth proportional to 30,557.76, 45,849.71 and 12,792.57 is: 19,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,557.76 : 45,849.71 = 12,792.57 : x
  2. Step 2: Convert to fraction form
    30,557.76/45,849.71 = 12,792.57/x
  3. Step 3: Cross multiply
    30,557.76x = 45,849.71 × 12,792.57
  4. Step 4: Simplify right side
    30,557.76x = 586,535,624.65
  5. Step 5: Solve for x
    x = 586,535,624.65/30,557.76
  6. Step 6: Final answer
    x = 19,194.33

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1.5x scale

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.