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Finding the Fourth Proportional to 30,010.53, 45,044.06 and 15,230.06

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Solution

The fourth proportional to 30,010.53, 45,044.06 and 15,230.06 is: 22,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,010.53 : 45,044.06 = 15,230.06 : x
  2. Step 2: Convert to fraction form
    30,010.53/45,044.06 = 15,230.06/x
  3. Step 3: Cross multiply
    30,010.53x = 45,044.06 × 15,230.06
  4. Step 4: Simplify right side
    30,010.53x = 686,023,603.99
  5. Step 5: Solve for x
    x = 686,023,603.99/30,010.53
  6. Step 6: Final answer
    x = 22,859.43

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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.