Home / 30,808.53-42,516.41-17,377.22

Finding the Fourth Proportional to 30,808.53, 42,516.41 and 17,377.22

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Solution

The fourth proportional to 30,808.53, 42,516.41 and 17,377.22 is: 23,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.53 : 42,516.41 = 17,377.22 : x
  2. Step 2: Convert to fraction form
    30,808.53/42,516.41 = 17,377.22/x
  3. Step 3: Cross multiply
    30,808.53x = 42,516.41 × 17,377.22
  4. Step 4: Simplify right side
    30,808.53x = 738,816,710.71
  5. Step 5: Solve for x
    x = 738,816,710.71/30,808.53
  6. Step 6: Final answer
    x = 23,980.91

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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.