Home / 53,874.09-80,823.86-16,938.09

Finding the Fourth Proportional to 53,874.09, 80,823.86 and 16,938.09

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Solution

The fourth proportional to 53,874.09, 80,823.86 and 16,938.09 is: 25,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,874.09 : 80,823.86 = 16,938.09 : x
  2. Step 2: Convert to fraction form
    53,874.09/80,823.86 = 16,938.09/x
  3. Step 3: Cross multiply
    53,874.09x = 80,823.86 × 16,938.09
  4. Step 4: Simplify right side
    53,874.09x = 1,369,001,814.83
  5. Step 5: Solve for x
    x = 1,369,001,814.83/53,874.09
  6. Step 6: Final answer
    x = 25,411.14

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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.