Home / 30,423.07-45,612.73-13,774.53

Finding the Fourth Proportional to 30,423.07, 45,612.73 and 13,774.53

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Solution

The fourth proportional to 30,423.07, 45,612.73 and 13,774.53 is: 20,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.07 : 45,612.73 = 13,774.53 : x
  2. Step 2: Convert to fraction form
    30,423.07/45,612.73 = 13,774.53/x
  3. Step 3: Cross multiply
    30,423.07x = 45,612.73 × 13,774.53
  4. Step 4: Simplify right side
    30,423.07x = 628,293,997.12
  5. Step 5: Solve for x
    x = 628,293,997.12/30,423.07
  6. Step 6: Final answer
    x = 20,651.89

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1.5x scale

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.