Home / 30,729.07-42,406.92-17,300.82

Finding the Fourth Proportional to 30,729.07, 42,406.92 and 17,300.82

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Solution

The fourth proportional to 30,729.07, 42,406.92 and 17,300.82 is: 23,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,729.07 : 42,406.92 = 17,300.82 : x
  2. Step 2: Convert to fraction form
    30,729.07/42,406.92 = 17,300.82/x
  3. Step 3: Cross multiply
    30,729.07x = 42,406.92 × 17,300.82
  4. Step 4: Simplify right side
    30,729.07x = 733,674,242.23
  5. Step 5: Solve for x
    x = 733,674,242.23/30,729.07
  6. Step 6: Final answer
    x = 23,875.57

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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.