Home / 51,029.40-76,544.10-30,293.40

Finding the Fourth Proportional to 51,029.40, 76,544.10 and 30,293.40

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Solution

The fourth proportional to 51,029.40, 76,544.10 and 30,293.40 is: 45,440.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,029.40 : 76,544.10 = 30,293.40 : x
  2. Step 2: Convert to fraction form
    51,029.40/76,544.10 = 30,293.40/x
  3. Step 3: Cross multiply
    51,029.40x = 76,544.10 × 30,293.40
  4. Step 4: Simplify right side
    51,029.40x = 2,318,781,038.94
  5. Step 5: Solve for x
    x = 2,318,781,038.94/51,029.40
  6. Step 6: Final answer
    x = 45,440.10

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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.