Home / 34,886.40-48,141.77-19,780.08

Finding the Fourth Proportional to 34,886.40, 48,141.77 and 19,780.08

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Solution

The fourth proportional to 34,886.40, 48,141.77 and 19,780.08 is: 27,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.40 : 48,141.77 = 19,780.08 : x
  2. Step 2: Convert to fraction form
    34,886.40/48,141.77 = 19,780.08/x
  3. Step 3: Cross multiply
    34,886.40x = 48,141.77 × 19,780.08
  4. Step 4: Simplify right side
    34,886.40x = 952,247,782.51
  5. Step 5: Solve for x
    x = 952,247,782.51/34,886.40
  6. Step 6: Final answer
    x = 27,295.68

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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.