Home / 52,089.28-78,137.36-20,496.85

Finding the Fourth Proportional to 52,089.28, 78,137.36 and 20,496.85

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Solution

The fourth proportional to 52,089.28, 78,137.36 and 20,496.85 is: 30,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.28 : 78,137.36 = 20,496.85 : x
  2. Step 2: Convert to fraction form
    52,089.28/78,137.36 = 20,496.85/x
  3. Step 3: Cross multiply
    52,089.28x = 78,137.36 × 20,496.85
  4. Step 4: Simplify right side
    52,089.28x = 1,601,569,526.35
  5. Step 5: Solve for x
    x = 1,601,569,526.35/52,089.28
  6. Step 6: Final answer
    x = 30,746.63

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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.