Home / 30,078.65-45,102.40-16,034.90

Finding the Fourth Proportional to 30,078.65, 45,102.40 and 16,034.90

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Solution

The fourth proportional to 30,078.65, 45,102.40 and 16,034.90 is: 24,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.65 : 45,102.40 = 16,034.90 : x
  2. Step 2: Convert to fraction form
    30,078.65/45,102.40 = 16,034.90/x
  3. Step 3: Cross multiply
    30,078.65x = 45,102.40 × 16,034.90
  4. Step 4: Simplify right side
    30,078.65x = 723,212,393.59
  5. Step 5: Solve for x
    x = 723,212,393.59/30,078.65
  6. Step 6: Final answer
    x = 24,044.05

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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.