Home / 45,435.59-68,164.35-14,270.84

Finding the Fourth Proportional to 45,435.59, 68,164.35 and 14,270.84

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Solution

The fourth proportional to 45,435.59, 68,164.35 and 14,270.84 is: 21,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435.59 : 68,164.35 = 14,270.84 : x
  2. Step 2: Convert to fraction form
    45,435.59/68,164.35 = 14,270.84/x
  3. Step 3: Cross multiply
    45,435.59x = 68,164.35 × 14,270.84
  4. Step 4: Simplify right side
    45,435.59x = 972,762,532.55
  5. Step 5: Solve for x
    x = 972,762,532.55/45,435.59
  6. Step 6: Final answer
    x = 21,409.70

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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.