Home / 55,031.64-75,943.08-29,881.14

Finding the Fourth Proportional to 55,031.64, 75,943.08 and 29,881.14

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Solution

The fourth proportional to 55,031.64, 75,943.08 and 29,881.14 is: 41,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.64 : 75,943.08 = 29,881.14 : x
  2. Step 2: Convert to fraction form
    55,031.64/75,943.08 = 29,881.14/x
  3. Step 3: Cross multiply
    55,031.64x = 75,943.08 × 29,881.14
  4. Step 4: Simplify right side
    55,031.64x = 2,269,265,805.51
  5. Step 5: Solve for x
    x = 2,269,265,805.51/55,031.64
  6. Step 6: Final answer
    x = 41,235.66

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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.