Home / 31,482.04-47,231.68-9,295.40

Finding the Fourth Proportional to 31,482.04, 47,231.68 and 9,295.40

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Solution

The fourth proportional to 31,482.04, 47,231.68 and 9,295.40 is: 13,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.04 : 47,231.68 = 9,295.40 : x
  2. Step 2: Convert to fraction form
    31,482.04/47,231.68 = 9,295.40/x
  3. Step 3: Cross multiply
    31,482.04x = 47,231.68 × 9,295.40
  4. Step 4: Simplify right side
    31,482.04x = 439,037,133.73
  5. Step 5: Solve for x
    x = 439,037,133.73/31,482.04
  6. Step 6: Final answer
    x = 13,945.64

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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.