Home / 41,619.12-62,368.80-17,920.16

Finding the Fourth Proportional to 41,619.12, 62,368.80 and 17,920.16

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Solution

The fourth proportional to 41,619.12, 62,368.80 and 17,920.16 is: 26,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,619.12 : 62,368.80 = 17,920.16 : x
  2. Step 2: Convert to fraction form
    41,619.12/62,368.80 = 17,920.16/x
  3. Step 3: Cross multiply
    41,619.12x = 62,368.80 × 17,920.16
  4. Step 4: Simplify right side
    41,619.12x = 1,117,658,875.01
  5. Step 5: Solve for x
    x = 1,117,658,875.01/41,619.12
  6. Step 6: Final answer
    x = 26,854.46

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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.