Home / 30,059.53-45,072.63-12,302.66

Finding the Fourth Proportional to 30,059.53, 45,072.63 and 12,302.66

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Solution

The fourth proportional to 30,059.53, 45,072.63 and 12,302.66 is: 18,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059.53 : 45,072.63 = 12,302.66 : x
  2. Step 2: Convert to fraction form
    30,059.53/45,072.63 = 12,302.66/x
  3. Step 3: Cross multiply
    30,059.53x = 45,072.63 × 12,302.66
  4. Step 4: Simplify right side
    30,059.53x = 554,513,354.88
  5. Step 5: Solve for x
    x = 554,513,354.88/30,059.53
  6. Step 6: Final answer
    x = 18,447.17

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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.