Home / 52,523.37-78,753.20-20,938.23

Finding the Fourth Proportional to 52,523.37, 78,753.20 and 20,938.23

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Solution

The fourth proportional to 52,523.37, 78,753.20 and 20,938.23 is: 31,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,523.37 : 78,753.20 = 20,938.23 : x
  2. Step 2: Convert to fraction form
    52,523.37/78,753.20 = 20,938.23/x
  3. Step 3: Cross multiply
    52,523.37x = 78,753.20 × 20,938.23
  4. Step 4: Simplify right side
    52,523.37x = 1,648,952,510.14
  5. Step 5: Solve for x
    x = 1,648,952,510.14/52,523.37
  6. Step 6: Final answer
    x = 31,394.64

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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.