Home / 55,139.80-76,094.22-29,989.48

Finding the Fourth Proportional to 55,139.80, 76,094.22 and 29,989.48

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Solution

The fourth proportional to 55,139.80, 76,094.22 and 29,989.48 is: 41,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139.80 : 76,094.22 = 29,989.48 : x
  2. Step 2: Convert to fraction form
    55,139.80/76,094.22 = 29,989.48/x
  3. Step 3: Cross multiply
    55,139.80x = 76,094.22 × 29,989.48
  4. Step 4: Simplify right side
    55,139.80x = 2,282,026,088.81
  5. Step 5: Solve for x
    x = 2,282,026,088.81/55,139.80
  6. Step 6: Final answer
    x = 41,386.19

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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.