Home / 30,837.23-42,553.01-17,409.81

Finding the Fourth Proportional to 30,837.23, 42,553.01 and 17,409.81

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Solution

The fourth proportional to 30,837.23, 42,553.01 and 17,409.81 is: 24,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.23 : 42,553.01 = 17,409.81 : x
  2. Step 2: Convert to fraction form
    30,837.23/42,553.01 = 17,409.81/x
  3. Step 3: Cross multiply
    30,837.23x = 42,553.01 × 17,409.81
  4. Step 4: Simplify right side
    30,837.23x = 740,839,839.87
  5. Step 5: Solve for x
    x = 740,839,839.87/30,837.23
  6. Step 6: Final answer
    x = 24,024.20

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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.