Home / 52,035.20-78,124.80-33,430.40

Finding the Fourth Proportional to 52,035.20, 78,124.80 and 33,430.40

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Solution

The fourth proportional to 52,035.20, 78,124.80 and 33,430.40 is: 50,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,035.20 : 78,124.80 = 33,430.40 : x
  2. Step 2: Convert to fraction form
    52,035.20/78,124.80 = 33,430.40/x
  3. Step 3: Cross multiply
    52,035.20x = 78,124.80 × 33,430.40
  4. Step 4: Simplify right side
    52,035.20x = 2,611,743,313.92
  5. Step 5: Solve for x
    x = 2,611,743,313.92/52,035.20
  6. Step 6: Final answer
    x = 50,191.86

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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.