Home / 53,119.84-79,679.04-18,083.92

Finding the Fourth Proportional to 53,119.84, 79,679.04 and 18,083.92

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Solution

The fourth proportional to 53,119.84, 79,679.04 and 18,083.92 is: 27,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.84 : 79,679.04 = 18,083.92 : x
  2. Step 2: Convert to fraction form
    53,119.84/79,679.04 = 18,083.92/x
  3. Step 3: Cross multiply
    53,119.84x = 79,679.04 × 18,083.92
  4. Step 4: Simplify right side
    53,119.84x = 1,440,909,385.04
  5. Step 5: Solve for x
    x = 1,440,909,385.04/53,119.84
  6. Step 6: Final answer
    x = 27,125.63

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1.5x scale

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.