Home / 39,646.66-54,659.45-31,497.30

Finding the Fourth Proportional to 39,646.66, 54,659.45 and 31,497.30

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Solution

The fourth proportional to 39,646.66, 54,659.45 and 31,497.30 is: 43,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.66 : 54,659.45 = 31,497.30 : x
  2. Step 2: Convert to fraction form
    39,646.66/54,659.45 = 31,497.30/x
  3. Step 3: Cross multiply
    39,646.66x = 54,659.45 × 31,497.30
  4. Step 4: Simplify right side
    39,646.66x = 1,721,624,930.91
  5. Step 5: Solve for x
    x = 1,721,624,930.91/39,646.66
  6. Step 6: Final answer
    x = 43,424.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.