Home / 31,482.68-47,289.60-26,561.96

Finding the Fourth Proportional to 31,482.68, 47,289.60 and 26,561.96

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Solution

The fourth proportional to 31,482.68, 47,289.60 and 26,561.96 is: 39,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.68 : 47,289.60 = 26,561.96 : x
  2. Step 2: Convert to fraction form
    31,482.68/47,289.60 = 26,561.96/x
  3. Step 3: Cross multiply
    31,482.68x = 47,289.60 × 26,561.96
  4. Step 4: Simplify right side
    31,482.68x = 1,256,104,463.62
  5. Step 5: Solve for x
    x = 1,256,104,463.62/31,482.68
  6. Step 6: Final answer
    x = 39,898.27

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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.