Home / 55,232.79-82,849.19-42,159.39

Finding the Fourth Proportional to 55,232.79, 82,849.19 and 42,159.39

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Solution

The fourth proportional to 55,232.79, 82,849.19 and 42,159.39 is: 63,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,232.79 : 82,849.19 = 42,159.39 : x
  2. Step 2: Convert to fraction form
    55,232.79/82,849.19 = 42,159.39/x
  3. Step 3: Cross multiply
    55,232.79x = 82,849.19 × 42,159.39
  4. Step 4: Simplify right side
    55,232.79x = 3,492,871,101.60
  5. Step 5: Solve for x
    x = 3,492,871,101.60/55,232.79
  6. Step 6: Final answer
    x = 63,239.09

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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.