Home / 52,029.24-78,013.56-20,402.22

Finding the Fourth Proportional to 52,029.24, 78,013.56 and 20,402.22

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Solution

The fourth proportional to 52,029.24, 78,013.56 and 20,402.22 is: 30,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,029.24 : 78,013.56 = 20,402.22 : x
  2. Step 2: Convert to fraction form
    52,029.24/78,013.56 = 20,402.22/x
  3. Step 3: Cross multiply
    52,029.24x = 78,013.56 × 20,402.22
  4. Step 4: Simplify right side
    52,029.24x = 1,591,649,814.10
  5. Step 5: Solve for x
    x = 1,591,649,814.10/52,029.24
  6. Step 6: Final answer
    x = 30,591.45

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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.