Home / 31,409.82-47,114.76-14,757.64

Finding the Fourth Proportional to 31,409.82, 47,114.76 and 14,757.64

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Solution

The fourth proportional to 31,409.82, 47,114.76 and 14,757.64 is: 22,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.82 : 47,114.76 = 14,757.64 : x
  2. Step 2: Convert to fraction form
    31,409.82/47,114.76 = 14,757.64/x
  3. Step 3: Cross multiply
    31,409.82x = 47,114.76 × 14,757.64
  4. Step 4: Simplify right side
    31,409.82x = 695,302,666.77
  5. Step 5: Solve for x
    x = 695,302,666.77/31,409.82
  6. Step 6: Final answer
    x = 22,136.47

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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.