Home / 62,878.40-86,808.06-41,686.36

Finding the Fourth Proportional to 62,878.40, 86,808.06 and 41,686.36

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Solution

The fourth proportional to 62,878.40, 86,808.06 and 41,686.36 is: 57,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,878.40 : 86,808.06 = 41,686.36 : x
  2. Step 2: Convert to fraction form
    62,878.40/86,808.06 = 41,686.36/x
  3. Step 3: Cross multiply
    62,878.40x = 86,808.06 × 41,686.36
  4. Step 4: Simplify right side
    62,878.40x = 3,618,712,040.06
  5. Step 5: Solve for x
    x = 3,618,712,040.06/62,878.40
  6. Step 6: Final answer
    x = 57,550.96

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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.