Home / 45,430.55-68,154.97-15,840.44

Finding the Fourth Proportional to 45,430.55, 68,154.97 and 15,840.44

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Solution

The fourth proportional to 45,430.55, 68,154.97 and 15,840.44 is: 23,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,430.55 : 68,154.97 = 15,840.44 : x
  2. Step 2: Convert to fraction form
    45,430.55/68,154.97 = 15,840.44/x
  3. Step 3: Cross multiply
    45,430.55x = 68,154.97 × 15,840.44
  4. Step 4: Simplify right side
    45,430.55x = 1,079,604,712.99
  5. Step 5: Solve for x
    x = 1,079,604,712.99/45,430.55
  6. Step 6: Final answer
    x = 23,763.85

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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.