Home / 44,931.12-67,420.96-18,654

Finding the Fourth Proportional to 44,931.12, 67,420.96 and 18,654

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Solution

The fourth proportional to 44,931.12, 67,420.96 and 18,654 is: 27,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,931.12 : 67,420.96 = 18,654 : x
  2. Step 2: Convert to fraction form
    44,931.12/67,420.96 = 18,654/x
  3. Step 3: Cross multiply
    44,931.12x = 67,420.96 × 18,654
  4. Step 4: Simplify right side
    44,931.12x = 1,257,670,587.84
  5. Step 5: Solve for x
    x = 1,257,670,587.84/44,931.12
  6. Step 6: Final answer
    x = 27,991.08

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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.