Home / 30,389.64-45,518.82-29,646.06

Finding the Fourth Proportional to 30,389.64, 45,518.82 and 29,646.06

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Solution

The fourth proportional to 30,389.64, 45,518.82 and 29,646.06 is: 44,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.64 : 45,518.82 = 29,646.06 : x
  2. Step 2: Convert to fraction form
    30,389.64/45,518.82 = 29,646.06/x
  3. Step 3: Cross multiply
    30,389.64x = 45,518.82 × 29,646.06
  4. Step 4: Simplify right side
    30,389.64x = 1,349,453,668.85
  5. Step 5: Solve for x
    x = 1,349,453,668.85/30,389.64
  6. Step 6: Final answer
    x = 44,405.06

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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.