Home / 41,130.35-56,730.52-28,388.35

Finding the Fourth Proportional to 41,130.35, 56,730.52 and 28,388.35

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Solution

The fourth proportional to 41,130.35, 56,730.52 and 28,388.35 is: 39,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,130.35 : 56,730.52 = 28,388.35 : x
  2. Step 2: Convert to fraction form
    41,130.35/56,730.52 = 28,388.35/x
  3. Step 3: Cross multiply
    41,130.35x = 56,730.52 × 28,388.35
  4. Step 4: Simplify right side
    41,130.35x = 1,610,485,857.44
  5. Step 5: Solve for x
    x = 1,610,485,857.44/41,130.35
  6. Step 6: Final answer
    x = 39,155.66

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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.