Home / 51,050.79-76,578.62-15,990.75

Finding the Fourth Proportional to 51,050.79, 76,578.62 and 15,990.75

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Solution

The fourth proportional to 51,050.79, 76,578.62 and 15,990.75 is: 23,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,050.79 : 76,578.62 = 15,990.75 : x
  2. Step 2: Convert to fraction form
    51,050.79/76,578.62 = 15,990.75/x
  3. Step 3: Cross multiply
    51,050.79x = 76,578.62 × 15,990.75
  4. Step 4: Simplify right side
    51,050.79x = 1,224,549,487.81
  5. Step 5: Solve for x
    x = 1,224,549,487.81/51,050.79
  6. Step 6: Final answer
    x = 23,986.89

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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.