Home / 30,232.73-45,349.20-9,172.95

Finding the Fourth Proportional to 30,232.73, 45,349.20 and 9,172.95

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Solution

The fourth proportional to 30,232.73, 45,349.20 and 9,172.95 is: 13,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.73 : 45,349.20 = 9,172.95 : x
  2. Step 2: Convert to fraction form
    30,232.73/45,349.20 = 9,172.95/x
  3. Step 3: Cross multiply
    30,232.73x = 45,349.20 × 9,172.95
  4. Step 4: Simplify right side
    30,232.73x = 415,985,774.08
  5. Step 5: Solve for x
    x = 415,985,774.08/30,232.73
  6. Step 6: Final answer
    x = 13,759.45

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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.