Home / 45,430.70-68,146.64-14,265.95

Finding the Fourth Proportional to 45,430.70, 68,146.64 and 14,265.95

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Solution

The fourth proportional to 45,430.70, 68,146.64 and 14,265.95 is: 21,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,430.70 : 68,146.64 = 14,265.95 : x
  2. Step 2: Convert to fraction form
    45,430.70/68,146.64 = 14,265.95/x
  3. Step 3: Cross multiply
    45,430.70x = 68,146.64 × 14,265.95
  4. Step 4: Simplify right side
    45,430.70x = 972,176,146.85
  5. Step 5: Solve for x
    x = 972,176,146.85/45,430.70
  6. Step 6: Final answer
    x = 21,399.10

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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.