Home / 31,499.58-47,235.25-9,305.18

Finding the Fourth Proportional to 31,499.58, 47,235.25 and 9,305.18

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Solution

The fourth proportional to 31,499.58, 47,235.25 and 9,305.18 is: 13,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.58 : 47,235.25 = 9,305.18 : x
  2. Step 2: Convert to fraction form
    31,499.58/47,235.25 = 9,305.18/x
  3. Step 3: Cross multiply
    31,499.58x = 47,235.25 × 9,305.18
  4. Step 4: Simplify right side
    31,499.58x = 439,532,456.18
  5. Step 5: Solve for x
    x = 439,532,456.18/31,499.58
  6. Step 6: Final answer
    x = 13,953.60

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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.