Home / 31,895.67-47,852.88-13,176.78

Finding the Fourth Proportional to 31,895.67, 47,852.88 and 13,176.78

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Solution

The fourth proportional to 31,895.67, 47,852.88 and 13,176.78 is: 19,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,895.67 : 47,852.88 = 13,176.78 : x
  2. Step 2: Convert to fraction form
    31,895.67/47,852.88 = 13,176.78/x
  3. Step 3: Cross multiply
    31,895.67x = 47,852.88 × 13,176.78
  4. Step 4: Simplify right side
    31,895.67x = 630,546,643.27
  5. Step 5: Solve for x
    x = 630,546,643.27/31,895.67
  6. Step 6: Final answer
    x = 19,769.03

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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.