Home / 30,332.56-45,498.96-9,272.52

Finding the Fourth Proportional to 30,332.56, 45,498.96 and 9,272.52

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Solution

The fourth proportional to 30,332.56, 45,498.96 and 9,272.52 is: 13,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.56 : 45,498.96 = 9,272.52 : x
  2. Step 2: Convert to fraction form
    30,332.56/45,498.96 = 9,272.52/x
  3. Step 3: Cross multiply
    30,332.56x = 45,498.96 × 9,272.52
  4. Step 4: Simplify right side
    30,332.56x = 421,890,016.58
  5. Step 5: Solve for x
    x = 421,890,016.58/30,332.56
  6. Step 6: Final answer
    x = 13,908.82

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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.