Home / 55,398.62-83,090.63-15,420.26

Finding the Fourth Proportional to 55,398.62, 83,090.63 and 15,420.26

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Solution

The fourth proportional to 55,398.62, 83,090.63 and 15,420.26 is: 23,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398.62 : 83,090.63 = 15,420.26 : x
  2. Step 2: Convert to fraction form
    55,398.62/83,090.63 = 15,420.26/x
  3. Step 3: Cross multiply
    55,398.62x = 83,090.63 × 15,420.26
  4. Step 4: Simplify right side
    55,398.62x = 1,281,278,625.61
  5. Step 5: Solve for x
    x = 1,281,278,625.61/55,398.62
  6. Step 6: Final answer
    x = 23,128.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.