Home / 31,613.81-47,427.77-11,892.54

Finding the Fourth Proportional to 31,613.81, 47,427.77 and 11,892.54

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Solution

The fourth proportional to 31,613.81, 47,427.77 and 11,892.54 is: 17,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,613.81 : 47,427.77 = 11,892.54 : x
  2. Step 2: Convert to fraction form
    31,613.81/47,427.77 = 11,892.54/x
  3. Step 3: Cross multiply
    31,613.81x = 47,427.77 × 11,892.54
  4. Step 4: Simplify right side
    31,613.81x = 564,036,651.84
  5. Step 5: Solve for x
    x = 564,036,651.84/31,613.81
  6. Step 6: Final answer
    x = 17,841.46

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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.