Home / 39,609.28-59,442.96-31,911.04

Finding the Fourth Proportional to 39,609.28, 59,442.96 and 31,911.04

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Solution

The fourth proportional to 39,609.28, 59,442.96 and 31,911.04 is: 47,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,609.28 : 59,442.96 = 31,911.04 : x
  2. Step 2: Convert to fraction form
    39,609.28/59,442.96 = 31,911.04/x
  3. Step 3: Cross multiply
    39,609.28x = 59,442.96 × 31,911.04
  4. Step 4: Simplify right side
    39,609.28x = 1,896,886,674.28
  5. Step 5: Solve for x
    x = 1,896,886,674.28/39,609.28
  6. Step 6: Final answer
    x = 47,889.96

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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.