Home / 54,334.40-81,428.70-38,733.80

Finding the Fourth Proportional to 54,334.40, 81,428.70 and 38,733.80

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Solution

The fourth proportional to 54,334.40, 81,428.70 and 38,733.80 is: 58,048.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,334.40 : 81,428.70 = 38,733.80 : x
  2. Step 2: Convert to fraction form
    54,334.40/81,428.70 = 38,733.80/x
  3. Step 3: Cross multiply
    54,334.40x = 81,428.70 × 38,733.80
  4. Step 4: Simplify right side
    54,334.40x = 3,154,042,980.06
  5. Step 5: Solve for x
    x = 3,154,042,980.06/54,334.40
  6. Step 6: Final answer
    x = 58,048.73

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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.