Home / 30,144.50-45,205.16-14,337.35

Finding the Fourth Proportional to 30,144.50, 45,205.16 and 14,337.35

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Solution

The fourth proportional to 30,144.50, 45,205.16 and 14,337.35 is: 21,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,144.50 : 45,205.16 = 14,337.35 : x
  2. Step 2: Convert to fraction form
    30,144.50/45,205.16 = 14,337.35/x
  3. Step 3: Cross multiply
    30,144.50x = 45,205.16 × 14,337.35
  4. Step 4: Simplify right side
    30,144.50x = 648,122,126.30
  5. Step 5: Solve for x
    x = 648,122,126.30/30,144.50
  6. Step 6: Final answer
    x = 21,500.51

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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.