Home / 30,490.02-42,076.23-17,063.87

Finding the Fourth Proportional to 30,490.02, 42,076.23 and 17,063.87

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Solution

The fourth proportional to 30,490.02, 42,076.23 and 17,063.87 is: 23,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,490.02 : 42,076.23 = 17,063.87 : x
  2. Step 2: Convert to fraction form
    30,490.02/42,076.23 = 17,063.87/x
  3. Step 3: Cross multiply
    30,490.02x = 42,076.23 × 17,063.87
  4. Step 4: Simplify right side
    30,490.02x = 717,983,188.42
  5. Step 5: Solve for x
    x = 717,983,188.42/30,490.02
  6. Step 6: Final answer
    x = 23,548.14

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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.