Home / 30,212.41-45,325.10-12,672.13

Finding the Fourth Proportional to 30,212.41, 45,325.10 and 12,672.13

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Solution

The fourth proportional to 30,212.41, 45,325.10 and 12,672.13 is: 19,010.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,212.41 : 45,325.10 = 12,672.13 : x
  2. Step 2: Convert to fraction form
    30,212.41/45,325.10 = 12,672.13/x
  3. Step 3: Cross multiply
    30,212.41x = 45,325.10 × 12,672.13
  4. Step 4: Simplify right side
    30,212.41x = 574,365,559.46
  5. Step 5: Solve for x
    x = 574,365,559.46/30,212.41
  6. Step 6: Final answer
    x = 19,010.92

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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.