Home / 30,089.68-45,108.60-14,518.24

Finding the Fourth Proportional to 30,089.68, 45,108.60 and 14,518.24

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Solution

The fourth proportional to 30,089.68, 45,108.60 and 14,518.24 is: 21,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.68 : 45,108.60 = 14,518.24 : x
  2. Step 2: Convert to fraction form
    30,089.68/45,108.60 = 14,518.24/x
  3. Step 3: Cross multiply
    30,089.68x = 45,108.60 × 14,518.24
  4. Step 4: Simplify right side
    30,089.68x = 654,897,480.86
  5. Step 5: Solve for x
    x = 654,897,480.86/30,089.68
  6. Step 6: Final answer
    x = 21,764.85

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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.