Home / 30,754.34-42,463.74-18,833.94

Finding the Fourth Proportional to 30,754.34, 42,463.74 and 18,833.94

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Solution

The fourth proportional to 30,754.34, 42,463.74 and 18,833.94 is: 26,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,754.34 : 42,463.74 = 18,833.94 : x
  2. Step 2: Convert to fraction form
    30,754.34/42,463.74 = 18,833.94/x
  3. Step 3: Cross multiply
    30,754.34x = 42,463.74 × 18,833.94
  4. Step 4: Simplify right side
    30,754.34x = 799,759,531.34
  5. Step 5: Solve for x
    x = 799,759,531.34/30,754.34
  6. Step 6: Final answer
    x = 26,004.77

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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.