Home / 38,985.48-58,429.66-17,903.11

Finding the Fourth Proportional to 38,985.48, 58,429.66 and 17,903.11

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Solution

The fourth proportional to 38,985.48, 58,429.66 and 17,903.11 is: 26,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.48 : 58,429.66 = 17,903.11 : x
  2. Step 2: Convert to fraction form
    38,985.48/58,429.66 = 17,903.11/x
  3. Step 3: Cross multiply
    38,985.48x = 58,429.66 × 17,903.11
  4. Step 4: Simplify right side
    38,985.48x = 1,046,072,439.41
  5. Step 5: Solve for x
    x = 1,046,072,439.41/38,985.48
  6. Step 6: Final answer
    x = 26,832.36

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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.