Home / 42,888.26-64,329.30-13,305.33

Finding the Fourth Proportional to 42,888.26, 64,329.30 and 13,305.33

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Solution

The fourth proportional to 42,888.26, 64,329.30 and 13,305.33 is: 19,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,888.26 : 64,329.30 = 13,305.33 : x
  2. Step 2: Convert to fraction form
    42,888.26/64,329.30 = 13,305.33/x
  3. Step 3: Cross multiply
    42,888.26x = 64,329.30 × 13,305.33
  4. Step 4: Simplify right side
    42,888.26x = 855,922,565.17
  5. Step 5: Solve for x
    x = 855,922,565.17/42,888.26
  6. Step 6: Final answer
    x = 19,957.04

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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.