Home / 31,988.79-47,888.42-23,706

Finding the Fourth Proportional to 31,988.79, 47,888.42 and 23,706

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Solution

The fourth proportional to 31,988.79, 47,888.42 and 23,706 is: 35,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.79 : 47,888.42 = 23,706 : x
  2. Step 2: Convert to fraction form
    31,988.79/47,888.42 = 23,706/x
  3. Step 3: Cross multiply
    31,988.79x = 47,888.42 × 23,706
  4. Step 4: Simplify right side
    31,988.79x = 1,135,242,765.99
  5. Step 5: Solve for x
    x = 1,135,242,765.99/31,988.79
  6. Step 6: Final answer
    x = 35,488.77

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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.