Home / 51,320.70-70,826.22-28,664.10

Finding the Fourth Proportional to 51,320.70, 70,826.22 and 28,664.10

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Solution

The fourth proportional to 51,320.70, 70,826.22 and 28,664.10 is: 39,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,320.70 : 70,826.22 = 28,664.10 : x
  2. Step 2: Convert to fraction form
    51,320.70/70,826.22 = 28,664.10/x
  3. Step 3: Cross multiply
    51,320.70x = 70,826.22 × 28,664.10
  4. Step 4: Simplify right side
    51,320.70x = 2,030,169,852.70
  5. Step 5: Solve for x
    x = 2,030,169,852.70/51,320.70
  6. Step 6: Final answer
    x = 39,558.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.