Home / 31,748.66-47,619.65-13,030.68

Finding the Fourth Proportional to 31,748.66, 47,619.65 and 13,030.68

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Solution

The fourth proportional to 31,748.66, 47,619.65 and 13,030.68 is: 19,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,748.66 : 47,619.65 = 13,030.68 : x
  2. Step 2: Convert to fraction form
    31,748.66/47,619.65 = 13,030.68/x
  3. Step 3: Cross multiply
    31,748.66x = 47,619.65 × 13,030.68
  4. Step 4: Simplify right side
    31,748.66x = 620,516,453.44
  5. Step 5: Solve for x
    x = 620,516,453.44/31,748.66
  6. Step 6: Final answer
    x = 19,544.65

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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.