Home / 31,461.12-47,185.92-11,734.40

Finding the Fourth Proportional to 31,461.12, 47,185.92 and 11,734.40

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Solution

The fourth proportional to 31,461.12, 47,185.92 and 11,734.40 is: 17,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.12 : 47,185.92 = 11,734.40 : x
  2. Step 2: Convert to fraction form
    31,461.12/47,185.92 = 11,734.40/x
  3. Step 3: Cross multiply
    31,461.12x = 47,185.92 × 11,734.40
  4. Step 4: Simplify right side
    31,461.12x = 553,698,459.65
  5. Step 5: Solve for x
    x = 553,698,459.65/31,461.12
  6. Step 6: Final answer
    x = 17,599.45

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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.