Home / 51,630.41-77,445.72-18,350.42

Finding the Fourth Proportional to 51,630.41, 77,445.72 and 18,350.42

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Solution

The fourth proportional to 51,630.41, 77,445.72 and 18,350.42 is: 27,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,630.41 : 77,445.72 = 18,350.42 : x
  2. Step 2: Convert to fraction form
    51,630.41/77,445.72 = 18,350.42/x
  3. Step 3: Cross multiply
    51,630.41x = 77,445.72 × 18,350.42
  4. Step 4: Simplify right side
    51,630.41x = 1,421,161,101.97
  5. Step 5: Solve for x
    x = 1,421,161,101.97/51,630.41
  6. Step 6: Final answer
    x = 27,525.66

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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.