Home / 72,347.82-108,548.33-30,232.14

Finding the Fourth Proportional to 72,347.82, 108,548.33 and 30,232.14

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Solution

The fourth proportional to 72,347.82, 108,548.33 and 30,232.14 is: 45,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,347.82 : 108,548.33 = 30,232.14 : x
  2. Step 2: Convert to fraction form
    72,347.82/108,548.33 = 30,232.14/x
  3. Step 3: Cross multiply
    72,347.82x = 108,548.33 × 30,232.14
  4. Step 4: Simplify right side
    72,347.82x = 3,281,648,158.17
  5. Step 5: Solve for x
    x = 3,281,648,158.17/72,347.82
  6. Step 6: Final answer
    x = 45,359.32

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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.