Home / 30,318.04-41,839.02-17,740.36

Finding the Fourth Proportional to 30,318.04, 41,839.02 and 17,740.36

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Solution

The fourth proportional to 30,318.04, 41,839.02 and 17,740.36 is: 24,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.04 : 41,839.02 = 17,740.36 : x
  2. Step 2: Convert to fraction form
    30,318.04/41,839.02 = 17,740.36/x
  3. Step 3: Cross multiply
    30,318.04x = 41,839.02 × 17,740.36
  4. Step 4: Simplify right side
    30,318.04x = 742,239,276.85
  5. Step 5: Solve for x
    x = 742,239,276.85/30,318.04
  6. Step 6: Final answer
    x = 24,481.77

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1.5x scale

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.