Home / 52,214.10-72,055.21-28,340.57

Finding the Fourth Proportional to 52,214.10, 72,055.21 and 28,340.57

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Solution

The fourth proportional to 52,214.10, 72,055.21 and 28,340.57 is: 39,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,214.10 : 72,055.21 = 28,340.57 : x
  2. Step 2: Convert to fraction form
    52,214.10/72,055.21 = 28,340.57/x
  3. Step 3: Cross multiply
    52,214.10x = 72,055.21 × 28,340.57
  4. Step 4: Simplify right side
    52,214.10x = 2,042,085,722.87
  5. Step 5: Solve for x
    x = 2,042,085,722.87/52,214.10
  6. Step 6: Final answer
    x = 39,109.85

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1.5x scale

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.