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Finding the Fourth Proportional to 30,289.84, 45,440.84 and 11,569.93

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Solution

The fourth proportional to 30,289.84, 45,440.84 and 11,569.93 is: 17,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.84 : 45,440.84 = 11,569.93 : x
  2. Step 2: Convert to fraction form
    30,289.84/45,440.84 = 11,569.93/x
  3. Step 3: Cross multiply
    30,289.84x = 45,440.84 × 11,569.93
  4. Step 4: Simplify right side
    30,289.84x = 525,747,337.94
  5. Step 5: Solve for x
    x = 525,747,337.94/30,289.84
  6. Step 6: Final answer
    x = 17,357.22

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1.5x scale

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.