Home / 57,619.04-86,428.56-18,180.12

Finding the Fourth Proportional to 57,619.04, 86,428.56 and 18,180.12

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Solution

The fourth proportional to 57,619.04, 86,428.56 and 18,180.12 is: 27,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,619.04 : 86,428.56 = 18,180.12 : x
  2. Step 2: Convert to fraction form
    57,619.04/86,428.56 = 18,180.12/x
  3. Step 3: Cross multiply
    57,619.04x = 86,428.56 × 18,180.12
  4. Step 4: Simplify right side
    57,619.04x = 1,571,281,592.23
  5. Step 5: Solve for x
    x = 1,571,281,592.23/57,619.04
  6. Step 6: Final answer
    x = 27,270.18

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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.