Home / 47,730.40-71,603.70-14,450.20

Finding the Fourth Proportional to 47,730.40, 71,603.70 and 14,450.20

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Solution

The fourth proportional to 47,730.40, 71,603.70 and 14,450.20 is: 21,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,730.40 : 71,603.70 = 14,450.20 : x
  2. Step 2: Convert to fraction form
    47,730.40/71,603.70 = 14,450.20/x
  3. Step 3: Cross multiply
    47,730.40x = 71,603.70 × 14,450.20
  4. Step 4: Simplify right side
    47,730.40x = 1,034,687,785.74
  5. Step 5: Solve for x
    x = 1,034,687,785.74/47,730.40
  6. Step 6: Final answer
    x = 21,677.75

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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.