Home / 30,476.13-45,719.88-13,837.32

Finding the Fourth Proportional to 30,476.13, 45,719.88 and 13,837.32

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Solution

The fourth proportional to 30,476.13, 45,719.88 and 13,837.32 is: 20,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.13 : 45,719.88 = 13,837.32 : x
  2. Step 2: Convert to fraction form
    30,476.13/45,719.88 = 13,837.32/x
  3. Step 3: Cross multiply
    30,476.13x = 45,719.88 × 13,837.32
  4. Step 4: Simplify right side
    30,476.13x = 632,640,609.92
  5. Step 5: Solve for x
    x = 632,640,609.92/30,476.13
  6. Step 6: Final answer
    x = 20,758.56

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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.