Home / 30,171.48-41,655.54-19,435.02

Finding the Fourth Proportional to 30,171.48, 41,655.54 and 19,435.02

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Solution

The fourth proportional to 30,171.48, 41,655.54 and 19,435.02 is: 26,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.48 : 41,655.54 = 19,435.02 : x
  2. Step 2: Convert to fraction form
    30,171.48/41,655.54 = 19,435.02/x
  3. Step 3: Cross multiply
    30,171.48x = 41,655.54 × 19,435.02
  4. Step 4: Simplify right side
    30,171.48x = 809,576,253.01
  5. Step 5: Solve for x
    x = 809,576,253.01/30,171.48
  6. Step 6: Final answer
    x = 26,832.50

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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.