Home / 30,941.28-46,306.80-19,102.59

Finding the Fourth Proportional to 30,941.28, 46,306.80 and 19,102.59

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Solution

The fourth proportional to 30,941.28, 46,306.80 and 19,102.59 is: 28,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.28 : 46,306.80 = 19,102.59 : x
  2. Step 2: Convert to fraction form
    30,941.28/46,306.80 = 19,102.59/x
  3. Step 3: Cross multiply
    30,941.28x = 46,306.80 × 19,102.59
  4. Step 4: Simplify right side
    30,941.28x = 884,579,814.61
  5. Step 5: Solve for x
    x = 884,579,814.61/30,941.28
  6. Step 6: Final answer
    x = 28,588.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.