Home / 38,104.96-57,136.56-11,802.40

Finding the Fourth Proportional to 38,104.96, 57,136.56 and 11,802.40

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Solution

The fourth proportional to 38,104.96, 57,136.56 and 11,802.40 is: 17,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.96 : 57,136.56 = 11,802.40 : x
  2. Step 2: Convert to fraction form
    38,104.96/57,136.56 = 11,802.40/x
  3. Step 3: Cross multiply
    38,104.96x = 57,136.56 × 11,802.40
  4. Step 4: Simplify right side
    38,104.96x = 674,348,535.74
  5. Step 5: Solve for x
    x = 674,348,535.74/38,104.96
  6. Step 6: Final answer
    x = 17,697.13

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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.