Home / 30,117.58-41,562.20-16,505.93

Finding the Fourth Proportional to 30,117.58, 41,562.20 and 16,505.93

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Solution

The fourth proportional to 30,117.58, 41,562.20 and 16,505.93 is: 22,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.58 : 41,562.20 = 16,505.93 : x
  2. Step 2: Convert to fraction form
    30,117.58/41,562.20 = 16,505.93/x
  3. Step 3: Cross multiply
    30,117.58x = 41,562.20 × 16,505.93
  4. Step 4: Simplify right side
    30,117.58x = 686,022,909.02
  5. Step 5: Solve for x
    x = 686,022,909.02/30,117.58
  6. Step 6: Final answer
    x = 22,778.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.