Home / 34,720.20-47,913.80-18,804.65

Finding the Fourth Proportional to 34,720.20, 47,913.80 and 18,804.65

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Solution

The fourth proportional to 34,720.20, 47,913.80 and 18,804.65 is: 25,950.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.20 : 47,913.80 = 18,804.65 : x
  2. Step 2: Convert to fraction form
    34,720.20/47,913.80 = 18,804.65/x
  3. Step 3: Cross multiply
    34,720.20x = 47,913.80 × 18,804.65
  4. Step 4: Simplify right side
    34,720.20x = 901,001,905.58
  5. Step 5: Solve for x
    x = 901,001,905.58/34,720.20
  6. Step 6: Final answer
    x = 25,950.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.