Home / 31,815.80-47,723.70-24,457.40

Finding the Fourth Proportional to 31,815.80, 47,723.70 and 24,457.40

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Solution

The fourth proportional to 31,815.80, 47,723.70 and 24,457.40 is: 36,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815.80 : 47,723.70 = 24,457.40 : x
  2. Step 2: Convert to fraction form
    31,815.80/47,723.70 = 24,457.40/x
  3. Step 3: Cross multiply
    31,815.80x = 47,723.70 × 24,457.40
  4. Step 4: Simplify right side
    31,815.80x = 1,167,197,620.38
  5. Step 5: Solve for x
    x = 1,167,197,620.38/31,815.80
  6. Step 6: Final answer
    x = 36,686.10

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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.