Home / 52,188.50-78,285.49-39,728.07

Finding the Fourth Proportional to 52,188.50, 78,285.49 and 39,728.07

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Solution

The fourth proportional to 52,188.50, 78,285.49 and 39,728.07 is: 59,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,188.50 : 78,285.49 = 39,728.07 : x
  2. Step 2: Convert to fraction form
    52,188.50/78,285.49 = 39,728.07/x
  3. Step 3: Cross multiply
    52,188.50x = 78,285.49 × 39,728.07
  4. Step 4: Simplify right side
    52,188.50x = 3,110,131,327.38
  5. Step 5: Solve for x
    x = 3,110,131,327.38/52,188.50
  6. Step 6: Final answer
    x = 59,594.19

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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.