Home / 30,141.08-45,193.98-14,112.44

Finding the Fourth Proportional to 30,141.08, 45,193.98 and 14,112.44

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Solution

The fourth proportional to 30,141.08, 45,193.98 and 14,112.44 is: 21,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,141.08 : 45,193.98 = 14,112.44 : x
  2. Step 2: Convert to fraction form
    30,141.08/45,193.98 = 14,112.44/x
  3. Step 3: Cross multiply
    30,141.08x = 45,193.98 × 14,112.44
  4. Step 4: Simplify right side
    30,141.08x = 637,797,331.11
  5. Step 5: Solve for x
    x = 637,797,331.11/30,141.08
  6. Step 6: Final answer
    x = 21,160.40

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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.