Home / 31,851.27-47,776.91-14,300.60

Finding the Fourth Proportional to 31,851.27, 47,776.91 and 14,300.60

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Solution

The fourth proportional to 31,851.27, 47,776.91 and 14,300.60 is: 21,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.27 : 47,776.91 = 14,300.60 : x
  2. Step 2: Convert to fraction form
    31,851.27/47,776.91 = 14,300.60/x
  3. Step 3: Cross multiply
    31,851.27x = 47,776.91 × 14,300.60
  4. Step 4: Simplify right side
    31,851.27x = 683,238,168.76
  5. Step 5: Solve for x
    x = 683,238,168.76/31,851.27
  6. Step 6: Final answer
    x = 21,450.89

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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.