Home / 32,665.36-45,030-25,487.28

Finding the Fourth Proportional to 32,665.36, 45,030 and 25,487.28

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Solution

The fourth proportional to 32,665.36, 45,030 and 25,487.28 is: 35,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,665.36 : 45,030 = 25,487.28 : x
  2. Step 2: Convert to fraction form
    32,665.36/45,030 = 25,487.28/x
  3. Step 3: Cross multiply
    32,665.36x = 45,030 × 25,487.28
  4. Step 4: Simplify right side
    32,665.36x = 1,147,692,218.40
  5. Step 5: Solve for x
    x = 1,147,692,218.40/32,665.36
  6. Step 6: Final answer
    x = 35,134.84

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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.