Home / 30,212.10-45,307.35-11,487.17

Finding the Fourth Proportional to 30,212.10, 45,307.35 and 11,487.17

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Solution

The fourth proportional to 30,212.10, 45,307.35 and 11,487.17 is: 17,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.10 : 45,307.35 = 11,487.17 : x
  2. Step 2: Convert to fraction form
    30,212.10/45,307.35 = 11,487.17/x
  3. Step 3: Cross multiply
    30,212.10x = 45,307.35 × 11,487.17
  4. Step 4: Simplify right side
    30,212.10x = 520,453,005.16
  5. Step 5: Solve for x
    x = 520,453,005.16/30,212.10
  6. Step 6: Final answer
    x = 17,226.64

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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.