Home / 39,838.86-54,904.40-37,310.82

Finding the Fourth Proportional to 39,838.86, 54,904.40 and 37,310.82

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Solution

The fourth proportional to 39,838.86, 54,904.40 and 37,310.82 is: 51,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838.86 : 54,904.40 = 37,310.82 : x
  2. Step 2: Convert to fraction form
    39,838.86/54,904.40 = 37,310.82/x
  3. Step 3: Cross multiply
    39,838.86x = 54,904.40 × 37,310.82
  4. Step 4: Simplify right side
    39,838.86x = 2,048,527,999.05
  5. Step 5: Solve for x
    x = 2,048,527,999.05/39,838.86
  6. Step 6: Final answer
    x = 51,420.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.