Home / 45,507.72-68,215.38-17,420.58

Finding the Fourth Proportional to 45,507.72, 68,215.38 and 17,420.58

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Solution

The fourth proportional to 45,507.72, 68,215.38 and 17,420.58 is: 26,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507.72 : 68,215.38 = 17,420.58 : x
  2. Step 2: Convert to fraction form
    45,507.72/68,215.38 = 17,420.58/x
  3. Step 3: Cross multiply
    45,507.72x = 68,215.38 × 17,420.58
  4. Step 4: Simplify right side
    45,507.72x = 1,188,351,484.52
  5. Step 5: Solve for x
    x = 1,188,351,484.52/45,507.72
  6. Step 6: Final answer
    x = 26,113.18

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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.