Home / 55,459.52-83,150.32-19,427.16

Finding the Fourth Proportional to 55,459.52, 83,150.32 and 19,427.16

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Solution

The fourth proportional to 55,459.52, 83,150.32 and 19,427.16 is: 29,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,459.52 : 83,150.32 = 19,427.16 : x
  2. Step 2: Convert to fraction form
    55,459.52/83,150.32 = 19,427.16/x
  3. Step 3: Cross multiply
    55,459.52x = 83,150.32 × 19,427.16
  4. Step 4: Simplify right side
    55,459.52x = 1,615,374,570.69
  5. Step 5: Solve for x
    x = 1,615,374,570.69/55,459.52
  6. Step 6: Final answer
    x = 29,127.09

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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.