Home / 30,472.56-45,665.92-14,445.04

Finding the Fourth Proportional to 30,472.56, 45,665.92 and 14,445.04

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Solution

The fourth proportional to 30,472.56, 45,665.92 and 14,445.04 is: 21,647.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,472.56 : 45,665.92 = 14,445.04 : x
  2. Step 2: Convert to fraction form
    30,472.56/45,665.92 = 14,445.04/x
  3. Step 3: Cross multiply
    30,472.56x = 45,665.92 × 14,445.04
  4. Step 4: Simplify right side
    30,472.56x = 659,646,041.04
  5. Step 5: Solve for x
    x = 659,646,041.04/30,472.56
  6. Step 6: Final answer
    x = 21,647.21

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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.