Home / 30,402.60-45,562.68-11,665.32

Finding the Fourth Proportional to 30,402.60, 45,562.68 and 11,665.32

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Solution

The fourth proportional to 30,402.60, 45,562.68 and 11,665.32 is: 17,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.60 : 45,562.68 = 11,665.32 : x
  2. Step 2: Convert to fraction form
    30,402.60/45,562.68 = 11,665.32/x
  3. Step 3: Cross multiply
    30,402.60x = 45,562.68 × 11,665.32
  4. Step 4: Simplify right side
    30,402.60x = 531,503,242.26
  5. Step 5: Solve for x
    x = 531,503,242.26/30,402.60
  6. Step 6: Final answer
    x = 17,482.16

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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.