Home / 30,597.30-45,900.12-9,538.80

Finding the Fourth Proportional to 30,597.30, 45,900.12 and 9,538.80

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Solution

The fourth proportional to 30,597.30, 45,900.12 and 9,538.80 is: 14,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.30 : 45,900.12 = 9,538.80 : x
  2. Step 2: Convert to fraction form
    30,597.30/45,900.12 = 9,538.80/x
  3. Step 3: Cross multiply
    30,597.30x = 45,900.12 × 9,538.80
  4. Step 4: Simplify right side
    30,597.30x = 437,832,064.66
  5. Step 5: Solve for x
    x = 437,832,064.66/30,597.30
  6. Step 6: Final answer
    x = 14,309.50

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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.