Home / 31,846.40-47,820.60-25,326.80

Finding the Fourth Proportional to 31,846.40, 47,820.60 and 25,326.80

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Solution

The fourth proportional to 31,846.40, 47,820.60 and 25,326.80 is: 38,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.40 : 47,820.60 = 25,326.80 : x
  2. Step 2: Convert to fraction form
    31,846.40/47,820.60 = 25,326.80/x
  3. Step 3: Cross multiply
    31,846.40x = 47,820.60 × 25,326.80
  4. Step 4: Simplify right side
    31,846.40x = 1,211,142,772.08
  5. Step 5: Solve for x
    x = 1,211,142,772.08/31,846.40
  6. Step 6: Final answer
    x = 38,030.76

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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.