Home / 30,564.01-45,830.89-10,839.61

Finding the Fourth Proportional to 30,564.01, 45,830.89 and 10,839.61

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Solution

The fourth proportional to 30,564.01, 45,830.89 and 10,839.61 is: 16,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,564.01 : 45,830.89 = 10,839.61 : x
  2. Step 2: Convert to fraction form
    30,564.01/45,830.89 = 10,839.61/x
  3. Step 3: Cross multiply
    30,564.01x = 45,830.89 × 10,839.61
  4. Step 4: Simplify right side
    30,564.01x = 496,788,973.55
  5. Step 5: Solve for x
    x = 496,788,973.55/30,564.01
  6. Step 6: Final answer
    x = 16,254.05

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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.