Home / 54,008.48-74,531.76-30,136.70

Finding the Fourth Proportional to 54,008.48, 74,531.76 and 30,136.70

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Solution

The fourth proportional to 54,008.48, 74,531.76 and 30,136.70 is: 41,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,008.48 : 74,531.76 = 30,136.70 : x
  2. Step 2: Convert to fraction form
    54,008.48/74,531.76 = 30,136.70/x
  3. Step 3: Cross multiply
    54,008.48x = 74,531.76 × 30,136.70
  4. Step 4: Simplify right side
    54,008.48x = 2,246,141,291.59
  5. Step 5: Solve for x
    x = 2,246,141,291.59/54,008.48
  6. Step 6: Final answer
    x = 41,588.68

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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.