Home / 31,439.61-47,152.94-9,247.03

Finding the Fourth Proportional to 31,439.61, 47,152.94 and 9,247.03

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Solution

The fourth proportional to 31,439.61, 47,152.94 and 9,247.03 is: 13,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439.61 : 47,152.94 = 9,247.03 : x
  2. Step 2: Convert to fraction form
    31,439.61/47,152.94 = 9,247.03/x
  3. Step 3: Cross multiply
    31,439.61x = 47,152.94 × 9,247.03
  4. Step 4: Simplify right side
    31,439.61x = 436,024,486.65
  5. Step 5: Solve for x
    x = 436,024,486.65/31,439.61
  6. Step 6: Final answer
    x = 13,868.64

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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.