Home / 52,718.09-79,026.33-19,419.95

Finding the Fourth Proportional to 52,718.09, 79,026.33 and 19,419.95

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Solution

The fourth proportional to 52,718.09, 79,026.33 and 19,419.95 is: 29,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,718.09 : 79,026.33 = 19,419.95 : x
  2. Step 2: Convert to fraction form
    52,718.09/79,026.33 = 19,419.95/x
  3. Step 3: Cross multiply
    52,718.09x = 79,026.33 × 19,419.95
  4. Step 4: Simplify right side
    52,718.09x = 1,534,687,647.67
  5. Step 5: Solve for x
    x = 1,534,687,647.67/52,718.09
  6. Step 6: Final answer
    x = 29,111.21

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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.