Home / 51,451.74-77,176.80-16,391.16

Finding the Fourth Proportional to 51,451.74, 77,176.80 and 16,391.16

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Solution

The fourth proportional to 51,451.74, 77,176.80 and 16,391.16 is: 24,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,451.74 : 77,176.80 = 16,391.16 : x
  2. Step 2: Convert to fraction form
    51,451.74/77,176.80 = 16,391.16/x
  3. Step 3: Cross multiply
    51,451.74x = 77,176.80 × 16,391.16
  4. Step 4: Simplify right side
    51,451.74x = 1,265,017,277.09
  5. Step 5: Solve for x
    x = 1,265,017,277.09/51,451.74
  6. Step 6: Final answer
    x = 24,586.48

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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.