Home / 42,804.81-64,165.09-25,012.89

Finding the Fourth Proportional to 42,804.81, 64,165.09 and 25,012.89

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Solution

The fourth proportional to 42,804.81, 64,165.09 and 25,012.89 is: 37,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,804.81 : 64,165.09 = 25,012.89 : x
  2. Step 2: Convert to fraction form
    42,804.81/64,165.09 = 25,012.89/x
  3. Step 3: Cross multiply
    42,804.81x = 64,165.09 × 25,012.89
  4. Step 4: Simplify right side
    42,804.81x = 1,604,954,338.01
  5. Step 5: Solve for x
    x = 1,604,954,338.01/42,804.81
  6. Step 6: Final answer
    x = 37,494.72

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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.