Home / 41,130.37-56,731.04-28,388.66

Finding the Fourth Proportional to 41,130.37, 56,731.04 and 28,388.66

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Solution

The fourth proportional to 41,130.37, 56,731.04 and 28,388.66 is: 39,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,130.37 : 56,731.04 = 28,388.66 : x
  2. Step 2: Convert to fraction form
    41,130.37/56,731.04 = 28,388.66/x
  3. Step 3: Cross multiply
    41,130.37x = 56,731.04 × 28,388.66
  4. Step 4: Simplify right side
    41,130.37x = 1,610,518,312.35
  5. Step 5: Solve for x
    x = 1,610,518,312.35/41,130.37
  6. Step 6: Final answer
    x = 39,156.43

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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.