Home / 31,569.36-47,344.26-10,788

Finding the Fourth Proportional to 31,569.36, 47,344.26 and 10,788

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Solution

The fourth proportional to 31,569.36, 47,344.26 and 10,788 is: 16,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.36 : 47,344.26 = 10,788 : x
  2. Step 2: Convert to fraction form
    31,569.36/47,344.26 = 10,788/x
  3. Step 3: Cross multiply
    31,569.36x = 47,344.26 × 10,788
  4. Step 4: Simplify right side
    31,569.36x = 510,749,876.88
  5. Step 5: Solve for x
    x = 510,749,876.88/31,569.36
  6. Step 6: Final answer
    x = 16,178.66

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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.