Home / 39,516.76-54,586.38-31,615.48

Finding the Fourth Proportional to 39,516.76, 54,586.38 and 31,615.48

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Solution

The fourth proportional to 39,516.76, 54,586.38 and 31,615.48 is: 43,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.76 : 54,586.38 = 31,615.48 : x
  2. Step 2: Convert to fraction form
    39,516.76/54,586.38 = 31,615.48/x
  3. Step 3: Cross multiply
    39,516.76x = 54,586.38 × 31,615.48
  4. Step 4: Simplify right side
    39,516.76x = 1,725,774,605.16
  5. Step 5: Solve for x
    x = 1,725,774,605.16/39,516.76
  6. Step 6: Final answer
    x = 43,671.97

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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.