Home / 30,326.83-45,499.05-12,554.22

Finding the Fourth Proportional to 30,326.83, 45,499.05 and 12,554.22

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Solution

The fourth proportional to 30,326.83, 45,499.05 and 12,554.22 is: 18,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.83 : 45,499.05 = 12,554.22 : x
  2. Step 2: Convert to fraction form
    30,326.83/45,499.05 = 12,554.22/x
  3. Step 3: Cross multiply
    30,326.83x = 45,499.05 × 12,554.22
  4. Step 4: Simplify right side
    30,326.83x = 571,205,083.49
  5. Step 5: Solve for x
    x = 571,205,083.49/30,326.83
  6. Step 6: Final answer
    x = 18,834.97

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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.