Home / 31,996.13-47,973.66-13,289.09

Finding the Fourth Proportional to 31,996.13, 47,973.66 and 13,289.09

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Solution

The fourth proportional to 31,996.13, 47,973.66 and 13,289.09 is: 19,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,996.13 : 47,973.66 = 13,289.09 : x
  2. Step 2: Convert to fraction form
    31,996.13/47,973.66 = 13,289.09/x
  3. Step 3: Cross multiply
    31,996.13x = 47,973.66 × 13,289.09
  4. Step 4: Simplify right side
    31,996.13x = 637,526,045.50
  5. Step 5: Solve for x
    x = 637,526,045.50/31,996.13
  6. Step 6: Final answer
    x = 19,925.10

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1.5x scale

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.