Home / 54,318.52-74,881.06-38,136.57

Finding the Fourth Proportional to 54,318.52, 74,881.06 and 38,136.57

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Solution

The fourth proportional to 54,318.52, 74,881.06 and 38,136.57 is: 52,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,318.52 : 74,881.06 = 38,136.57 : x
  2. Step 2: Convert to fraction form
    54,318.52/74,881.06 = 38,136.57/x
  3. Step 3: Cross multiply
    54,318.52x = 74,881.06 × 38,136.57
  4. Step 4: Simplify right side
    54,318.52x = 2,855,706,786.36
  5. Step 5: Solve for x
    x = 2,855,706,786.36/54,318.52
  6. Step 6: Final answer
    x = 52,573.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.