Home / 30,763.14-46,148.55-12,040.76

Finding the Fourth Proportional to 30,763.14, 46,148.55 and 12,040.76

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Solution

The fourth proportional to 30,763.14, 46,148.55 and 12,040.76 is: 18,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.14 : 46,148.55 = 12,040.76 : x
  2. Step 2: Convert to fraction form
    30,763.14/46,148.55 = 12,040.76/x
  3. Step 3: Cross multiply
    30,763.14x = 46,148.55 × 12,040.76
  4. Step 4: Simplify right side
    30,763.14x = 555,663,384.16
  5. Step 5: Solve for x
    x = 555,663,384.16/30,763.14
  6. Step 6: Final answer
    x = 18,062.64

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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.