Home / 31,438.01-47,150.35-9,245.36

Finding the Fourth Proportional to 31,438.01, 47,150.35 and 9,245.36

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Solution

The fourth proportional to 31,438.01, 47,150.35 and 9,245.36 is: 13,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,438.01 : 47,150.35 = 9,245.36 : x
  2. Step 2: Convert to fraction form
    31,438.01/47,150.35 = 9,245.36/x
  3. Step 3: Cross multiply
    31,438.01x = 47,150.35 × 9,245.36
  4. Step 4: Simplify right side
    31,438.01x = 435,921,959.88
  5. Step 5: Solve for x
    x = 435,921,959.88/31,438.01
  6. Step 6: Final answer
    x = 13,866.08

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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.