Home / 45,346.60-68,003.70-15,765.40

Finding the Fourth Proportional to 45,346.60, 68,003.70 and 15,765.40

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Solution

The fourth proportional to 45,346.60, 68,003.70 and 15,765.40 is: 23,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,346.60 : 68,003.70 = 15,765.40 : x
  2. Step 2: Convert to fraction form
    45,346.60/68,003.70 = 15,765.40/x
  3. Step 3: Cross multiply
    45,346.60x = 68,003.70 × 15,765.40
  4. Step 4: Simplify right side
    45,346.60x = 1,072,105,531.98
  5. Step 5: Solve for x
    x = 1,072,105,531.98/45,346.60
  6. Step 6: Final answer
    x = 23,642.47

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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.