Home / 53,120.84-79,680.54-18,084.92

Finding the Fourth Proportional to 53,120.84, 79,680.54 and 18,084.92

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Solution

The fourth proportional to 53,120.84, 79,680.54 and 18,084.92 is: 27,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.84 : 79,680.54 = 18,084.92 : x
  2. Step 2: Convert to fraction form
    53,120.84/79,680.54 = 18,084.92/x
  3. Step 3: Cross multiply
    53,120.84x = 79,680.54 × 18,084.92
  4. Step 4: Simplify right side
    53,120.84x = 1,441,016,191.46
  5. Step 5: Solve for x
    x = 1,441,016,191.46/53,120.84
  6. Step 6: Final answer
    x = 27,127.13

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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.