Home / 53,937.78-80,872.86-16,485.40

Finding the Fourth Proportional to 53,937.78, 80,872.86 and 16,485.40

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Solution

The fourth proportional to 53,937.78, 80,872.86 and 16,485.40 is: 24,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,937.78 : 80,872.86 = 16,485.40 : x
  2. Step 2: Convert to fraction form
    53,937.78/80,872.86 = 16,485.40/x
  3. Step 3: Cross multiply
    53,937.78x = 80,872.86 × 16,485.40
  4. Step 4: Simplify right side
    53,937.78x = 1,333,221,446.24
  5. Step 5: Solve for x
    x = 1,333,221,446.24/53,937.78
  6. Step 6: Final answer
    x = 24,717.77

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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.