Home / 39,461.48-54,386.42-29,878.41

Finding the Fourth Proportional to 39,461.48, 54,386.42 and 29,878.41

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Solution

The fourth proportional to 39,461.48, 54,386.42 and 29,878.41 is: 41,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,461.48 : 54,386.42 = 29,878.41 : x
  2. Step 2: Convert to fraction form
    39,461.48/54,386.42 = 29,878.41/x
  3. Step 3: Cross multiply
    39,461.48x = 54,386.42 × 29,878.41
  4. Step 4: Simplify right side
    39,461.48x = 1,624,979,809.75
  5. Step 5: Solve for x
    x = 1,624,979,809.75/39,461.48
  6. Step 6: Final answer
    x = 41,178.89

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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.