Home / 30,752.65-46,120.47-12,028.89

Finding the Fourth Proportional to 30,752.65, 46,120.47 and 12,028.89

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Solution

The fourth proportional to 30,752.65, 46,120.47 and 12,028.89 is: 18,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752.65 : 46,120.47 = 12,028.89 : x
  2. Step 2: Convert to fraction form
    30,752.65/46,120.47 = 12,028.89/x
  3. Step 3: Cross multiply
    30,752.65x = 46,120.47 × 12,028.89
  4. Step 4: Simplify right side
    30,752.65x = 554,778,060.38
  5. Step 5: Solve for x
    x = 554,778,060.38/30,752.65
  6. Step 6: Final answer
    x = 18,040.01

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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.