Home / 51,620.88-77,459.53-20,032.19

Finding the Fourth Proportional to 51,620.88, 77,459.53 and 20,032.19

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Solution

The fourth proportional to 51,620.88, 77,459.53 and 20,032.19 is: 30,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,620.88 : 77,459.53 = 20,032.19 : x
  2. Step 2: Convert to fraction form
    51,620.88/77,459.53 = 20,032.19/x
  3. Step 3: Cross multiply
    51,620.88x = 77,459.53 × 20,032.19
  4. Step 4: Simplify right side
    51,620.88x = 1,551,683,751.41
  5. Step 5: Solve for x
    x = 1,551,683,751.41/51,620.88
  6. Step 6: Final answer
    x = 30,059.23

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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.