Home / 31,488.33-47,204.25-28,749.12

Finding the Fourth Proportional to 31,488.33, 47,204.25 and 28,749.12

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Solution

The fourth proportional to 31,488.33, 47,204.25 and 28,749.12 is: 43,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.33 : 47,204.25 = 28,749.12 : x
  2. Step 2: Convert to fraction form
    31,488.33/47,204.25 = 28,749.12/x
  3. Step 3: Cross multiply
    31,488.33x = 47,204.25 × 28,749.12
  4. Step 4: Simplify right side
    31,488.33x = 1,357,080,647.76
  5. Step 5: Solve for x
    x = 1,357,080,647.76/31,488.33
  6. Step 6: Final answer
    x = 43,097.89

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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.