Home / 48,972-67,581.36-29,100

Finding the Fourth Proportional to 48,972, 67,581.36 and 29,100

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Solution

The fourth proportional to 48,972, 67,581.36 and 29,100 is: 40,158

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,972 : 67,581.36 = 29,100 : x
  2. Step 2: Convert to fraction form
    48,972/67,581.36 = 29,100/x
  3. Step 3: Cross multiply
    48,972x = 67,581.36 × 29,100
  4. Step 4: Simplify right side
    48,972x = 1,966,617,576
  5. Step 5: Solve for x
    x = 1,966,617,576/48,972
  6. Step 6: Final answer
    x = 40,158

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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.