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Finding the Fourth Proportional to 30,273, 45,409.70 and 10,551.93

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Solution

The fourth proportional to 30,273, 45,409.70 and 10,551.93 is: 15,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273 : 45,409.70 = 10,551.93 : x
  2. Step 2: Convert to fraction form
    30,273/45,409.70 = 10,551.93/x
  3. Step 3: Cross multiply
    30,273x = 45,409.70 × 10,551.93
  4. Step 4: Simplify right side
    30,273x = 479,159,922.96
  5. Step 5: Solve for x
    x = 479,159,922.96/30,273
  6. Step 6: Final answer
    x = 15,827.96

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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.