Home / 52,527.90-78,796.74-20,930.34

Finding the Fourth Proportional to 52,527.90, 78,796.74 and 20,930.34

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Solution

The fourth proportional to 52,527.90, 78,796.74 and 20,930.34 is: 31,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,527.90 : 78,796.74 = 20,930.34 : x
  2. Step 2: Convert to fraction form
    52,527.90/78,796.74 = 20,930.34/x
  3. Step 3: Cross multiply
    52,527.90x = 78,796.74 × 20,930.34
  4. Step 4: Simplify right side
    52,527.90x = 1,649,242,559.09
  5. Step 5: Solve for x
    x = 1,649,242,559.09/52,527.90
  6. Step 6: Final answer
    x = 31,397.46

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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.