Home / 31,537.45-47,298.11-9,345.65

Finding the Fourth Proportional to 31,537.45, 47,298.11 and 9,345.65

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Solution

The fourth proportional to 31,537.45, 47,298.11 and 9,345.65 is: 14,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.45 : 47,298.11 = 9,345.65 : x
  2. Step 2: Convert to fraction form
    31,537.45/47,298.11 = 9,345.65/x
  3. Step 3: Cross multiply
    31,537.45x = 47,298.11 × 9,345.65
  4. Step 4: Simplify right side
    31,537.45x = 442,031,431.13
  5. Step 5: Solve for x
    x = 442,031,431.13/31,537.45
  6. Step 6: Final answer
    x = 14,016.08

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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.