Home / 55,417.23-83,087.87-19,877.79

Finding the Fourth Proportional to 55,417.23, 83,087.87 and 19,877.79

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Solution

The fourth proportional to 55,417.23, 83,087.87 and 19,877.79 is: 29,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.23 : 83,087.87 = 19,877.79 : x
  2. Step 2: Convert to fraction form
    55,417.23/83,087.87 = 19,877.79/x
  3. Step 3: Cross multiply
    55,417.23x = 83,087.87 × 19,877.79
  4. Step 4: Simplify right side
    55,417.23x = 1,651,603,132.02
  5. Step 5: Solve for x
    x = 1,651,603,132.02/55,417.23
  6. Step 6: Final answer
    x = 29,803.06

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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.