Home / 30,217.41-45,279.95-12,677.67

Finding the Fourth Proportional to 30,217.41, 45,279.95 and 12,677.67

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Solution

The fourth proportional to 30,217.41, 45,279.95 and 12,677.67 is: 18,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.41 : 45,279.95 = 12,677.67 : x
  2. Step 2: Convert to fraction form
    30,217.41/45,279.95 = 12,677.67/x
  3. Step 3: Cross multiply
    30,217.41x = 45,279.95 × 12,677.67
  4. Step 4: Simplify right side
    30,217.41x = 574,044,200.33
  5. Step 5: Solve for x
    x = 574,044,200.33/30,217.41
  6. Step 6: Final answer
    x = 18,997.13

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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.