Home / 30,044.84-45,042.95-12,527.78

Finding the Fourth Proportional to 30,044.84, 45,042.95 and 12,527.78

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Solution

The fourth proportional to 30,044.84, 45,042.95 and 12,527.78 is: 18,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044.84 : 45,042.95 = 12,527.78 : x
  2. Step 2: Convert to fraction form
    30,044.84/45,042.95 = 12,527.78/x
  3. Step 3: Cross multiply
    30,044.84x = 45,042.95 × 12,527.78
  4. Step 4: Simplify right side
    30,044.84x = 564,287,974.26
  5. Step 5: Solve for x
    x = 564,287,974.26/30,044.84
  6. Step 6: Final answer
    x = 18,781.53

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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.