Home / 31,168.10-46,724.34-13,624.04

Finding the Fourth Proportional to 31,168.10, 46,724.34 and 13,624.04

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Solution

The fourth proportional to 31,168.10, 46,724.34 and 13,624.04 is: 20,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,168.10 : 46,724.34 = 13,624.04 : x
  2. Step 2: Convert to fraction form
    31,168.10/46,724.34 = 13,624.04/x
  3. Step 3: Cross multiply
    31,168.10x = 46,724.34 × 13,624.04
  4. Step 4: Simplify right side
    31,168.10x = 636,574,277.13
  5. Step 5: Solve for x
    x = 636,574,277.13/31,168.10
  6. Step 6: Final answer
    x = 20,423.90

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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.