Home / 53,853.50-80,784.23-16,416.78

Finding the Fourth Proportional to 53,853.50, 80,784.23 and 16,416.78

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Solution

The fourth proportional to 53,853.50, 80,784.23 and 16,416.78 is: 24,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,853.50 : 80,784.23 = 16,416.78 : x
  2. Step 2: Convert to fraction form
    53,853.50/80,784.23 = 16,416.78/x
  3. Step 3: Cross multiply
    53,853.50x = 80,784.23 × 16,416.78
  4. Step 4: Simplify right side
    53,853.50x = 1,326,216,931.38
  5. Step 5: Solve for x
    x = 1,326,216,931.38/53,853.50
  6. Step 6: Final answer
    x = 24,626.38

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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.