Home / 31,558.30-47,323.58-11,823

Finding the Fourth Proportional to 31,558.30, 47,323.58 and 11,823

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Solution

The fourth proportional to 31,558.30, 47,323.58 and 11,823 is: 17,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558.30 : 47,323.58 = 11,823 : x
  2. Step 2: Convert to fraction form
    31,558.30/47,323.58 = 11,823/x
  3. Step 3: Cross multiply
    31,558.30x = 47,323.58 × 11,823
  4. Step 4: Simplify right side
    31,558.30x = 559,506,686.34
  5. Step 5: Solve for x
    x = 559,506,686.34/31,558.30
  6. Step 6: Final answer
    x = 17,729.30

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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.