Home / 55,139.63-76,093.29-29,989.13

Finding the Fourth Proportional to 55,139.63, 76,093.29 and 29,989.13

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Solution

The fourth proportional to 55,139.63, 76,093.29 and 29,989.13 is: 41,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139.63 : 76,093.29 = 29,989.13 : x
  2. Step 2: Convert to fraction form
    55,139.63/76,093.29 = 29,989.13/x
  3. Step 3: Cross multiply
    55,139.63x = 76,093.29 × 29,989.13
  4. Step 4: Simplify right side
    55,139.63x = 2,281,971,185.47
  5. Step 5: Solve for x
    x = 2,281,971,185.47/55,139.63
  6. Step 6: Final answer
    x = 41,385.32

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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.