Home / 44,346.16-66,530.28-13,181.40

Finding the Fourth Proportional to 44,346.16, 66,530.28 and 13,181.40

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Solution

The fourth proportional to 44,346.16, 66,530.28 and 13,181.40 is: 19,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,346.16 : 66,530.28 = 13,181.40 : x
  2. Step 2: Convert to fraction form
    44,346.16/66,530.28 = 13,181.40/x
  3. Step 3: Cross multiply
    44,346.16x = 66,530.28 × 13,181.40
  4. Step 4: Simplify right side
    44,346.16x = 876,962,232.79
  5. Step 5: Solve for x
    x = 876,962,232.79/44,346.16
  6. Step 6: Final answer
    x = 19,775.38

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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.