Home / 53,839.61-80,792.08-20,130.18

Finding the Fourth Proportional to 53,839.61, 80,792.08 and 20,130.18

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Solution

The fourth proportional to 53,839.61, 80,792.08 and 20,130.18 is: 30,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,839.61 : 80,792.08 = 20,130.18 : x
  2. Step 2: Convert to fraction form
    53,839.61/80,792.08 = 20,130.18/x
  3. Step 3: Cross multiply
    53,839.61x = 80,792.08 × 20,130.18
  4. Step 4: Simplify right side
    53,839.61x = 1,626,359,112.97
  5. Step 5: Solve for x
    x = 1,626,359,112.97/53,839.61
  6. Step 6: Final answer
    x = 30,207.48

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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.