Home / 30,010.72-45,000.96-13,370.08

Finding the Fourth Proportional to 30,010.72, 45,000.96 and 13,370.08

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Solution

The fourth proportional to 30,010.72, 45,000.96 and 13,370.08 is: 20,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,010.72 : 45,000.96 = 13,370.08 : x
  2. Step 2: Convert to fraction form
    30,010.72/45,000.96 = 13,370.08/x
  3. Step 3: Cross multiply
    30,010.72x = 45,000.96 × 13,370.08
  4. Step 4: Simplify right side
    30,010.72x = 601,666,435.28
  5. Step 5: Solve for x
    x = 601,666,435.28/30,010.72
  6. Step 6: Final answer
    x = 20,048.38

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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.