Home / 45,765.60-68,651.52-14,178.45

Finding the Fourth Proportional to 45,765.60, 68,651.52 and 14,178.45

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Solution

The fourth proportional to 45,765.60, 68,651.52 and 14,178.45 is: 21,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,765.60 : 68,651.52 = 14,178.45 : x
  2. Step 2: Convert to fraction form
    45,765.60/68,651.52 = 14,178.45/x
  3. Step 3: Cross multiply
    45,765.60x = 68,651.52 × 14,178.45
  4. Step 4: Simplify right side
    45,765.60x = 973,372,143.74
  5. Step 5: Solve for x
    x = 973,372,143.74/45,765.60
  6. Step 6: Final answer
    x = 21,268.64

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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.