Home / 31,525.86-47,289.78-11,800.65

Finding the Fourth Proportional to 31,525.86, 47,289.78 and 11,800.65

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Solution

The fourth proportional to 31,525.86, 47,289.78 and 11,800.65 is: 17,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.86 : 47,289.78 = 11,800.65 : x
  2. Step 2: Convert to fraction form
    31,525.86/47,289.78 = 11,800.65/x
  3. Step 3: Cross multiply
    31,525.86x = 47,289.78 × 11,800.65
  4. Step 4: Simplify right side
    31,525.86x = 558,050,142.36
  5. Step 5: Solve for x
    x = 558,050,142.36/31,525.86
  6. Step 6: Final answer
    x = 17,701.35

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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.